tag:blogger.com,1999:blog-72394607178227060402024-03-05T10:33:50.290-08:00NEET UGNEET UPDATEShttp://www.blogger.com/profile/09945663440906071676noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-7239460717822706040.post-45698625904619229902013-03-30T07:56:00.000-07:002013-03-30T07:56:21.756-07:00BIOLOGY MODEL QUESTIONS FOR NEET-CELL AND ANIMAL KINGDOM<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ANIMAL KINGDOM</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>1.Which one of the following statements is incorrect?</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>A.Viviparity is the reproductive pattern shown by most mammals</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>B.Viviparity occurs primarily in salamanders and caecilians.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>C.In viviparity, a shell does not form around the egg.</b></span></span></div>
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<span style="color: red; font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>D.Viviparity is not found in species of lizards and snakes.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ANS D</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Question 2 </b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Which one of the following statements is stated incorrectly regarding cartilaginous fishes?</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ACartilaginous fishes have sense organs.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b><span style="color: red;">BMost cartilaginous fishes have color vision</span>.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>CTeeth-like placoid scales are found on the skin of cartilaginous fishes.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>D In cartilaginous fishes, gas exchange occurs in the gills.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ANS B</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Question 3 </b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Which statement is correct regarding reptiles, birds, and mammals?</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>AEvolved from a common ancestor</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>BEmbryos are surrounded by a fluid-filled sac called amnion</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>COuter covering is largely watertight.</b></span></span></div>
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<span style="color: red; font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>DAll of the above</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ANS D</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Question 4 </b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Which one of the following characteristics is NOT a shared by birds and mammals?</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>A backbone and internal skeleton</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>BBreathing using lungs</b></span></span></div>
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<span style="color: red; font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>CViviparity</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>DWarm blooded nature</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ANS C</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Question 5 </b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Which one of the following statements is incorrect?</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ARadial symmetry is displayed by sea anemone and aquatic animal.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>BFasciola hepatica is also known as the sheep liver fluke.</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>CTriploblastic animals are usually bilaterally symmetrical</b></span></span></div>
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<span style="color: red; font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>DMesoglea is present in between ectoderm and endoderm in Obelia</b></span></span></div>
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<span style="color: red; font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ANS D</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Question 6 </b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>Which one of the followings belongs to platyhelminthes?</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>A.Plasmodium</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>B.Trypanosoma</b></span></span></div>
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<span style="color: red; font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>C.Schistosoma</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>DWuchereria</b></span></span></div>
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<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size: 14px; line-height: 18px;"><b>ANS C</b></span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 7 </span></div>
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<span style="font-size: 14px; line-height: 18px;">Radial symmetry is generally exhibited by which animals?</span></div>
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<span style="font-size: 14px; line-height: 18px;">Which are attached with substratum</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Which are aquatic</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Which have ciliary feeding</span></div>
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<span style="font-size: 14px; line-height: 18px;">Which have one opening of alimentary canal</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 8 </span></div>
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<span style="font-size: 14px; line-height: 18px;">Tachyglossus is a connecting link between</span></div>
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<span style="font-size: 14px; line-height: 18px;">Reptiles and Birds</span></div>
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<span style="font-size: 14px; line-height: 18px;">Amphibians and Reptiles</span></div>
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<span style="font-size: 14px; line-height: 18px;">Birds and Mammals</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Reptiles and Mammals</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 9 </span></div>
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<span style="font-size: 14px; line-height: 18px;">The scientific name of Asian tiger mosquito</span></div>
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<span style="font-size: 14px; line-height: 18px;">Aedes aegypti</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Aedes albopictus</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Aedes taeniorhynchus</span></div>
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<span style="font-size: 14px; line-height: 18px;">Aedes albolineatus</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 10 </span></div>
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<span style="font-size: 14px; line-height: 18px;">Water-Vascular’ system is found in</span></div>
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<span style="font-size: 14px; line-height: 18px;">Sea-anemone</span></div>
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<span style="font-size: 14px; line-height: 18px;">Sea-pen</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Sea-cucumber</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Sea-horse</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 11 </span></div>
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<span style="font-size: 14px; line-height: 18px;">Cell tissue grade of organization occurs in</span></div>
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<span style="font-size: 14px; line-height: 18px;">Platyhelminthes</span></div>
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<span style="font-size: 14px; line-height: 18px;">Sponges</span></div>
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<span style="font-size: 14px; line-height: 18px;">Protozoa</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Coelenterata</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 12 </span></div>
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<span style="font-size: 14px; line-height: 18px;">Swarming generally occurs in</span></div>
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<span style="font-size: 14px; line-height: 18px;">Pyrilla</span></div>
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<span style="font-size: 14px; line-height: 18px;">Mosquito</span></div>
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<span style="font-size: 14px; line-height: 18px;">House fly</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Locust</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 13 </span></div>
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<span style="font-size: 14px; line-height: 18px;">Animals having a built in thermostat to maintain constant body temperature are known as</span></div>
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<span style="font-size: 14px; line-height: 18px;">Biothermic</span></div>
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<span style="font-size: 14px; line-height: 18px;">Poikilothermic</span></div>
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<span style="font-size: 14px; line-height: 18px;">Oligothermic</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Homeothermic</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 14 </span></div>
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<span style="font-size: 14px; line-height: 18px;">Which one of the followings in birds indicates their reptilian ancestry?</span></div>
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<span style="font-size: 14px; line-height: 18px;">Eggs with a calcareous shell</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Scales on their hind limbs</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Four-chambered heart</span></div>
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<span style="font-size: 14px; line-height: 18px;">Two special chambers crop and gizzard in their digestive tract</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 15 </span></div>
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<span style="font-size: 14px; line-height: 18px;">______ are devoid of respiratory, excretory and circulatory organs.</span></div>
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<span style="font-size: 14px; line-height: 18px;">Threadworms</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Sponges</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Tapeworms</span></div>
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<span style="font-size: 14px; line-height: 18px;">Liver fluke</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="line-height: 18px;"><span style="font-size: x-large;"><br /></span></span></div>
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<span style="line-height: 18px;"><span style="color: #6aa84f; font-size: x-large;"><br /></span></span></div>
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<span style="line-height: 18px;"><span style="color: #6aa84f; font-size: x-large;">CELL</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 1</span></div>
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<span style="font-size: 14px; line-height: 18px;">Cell division can not be stopped in which phase of the cell cycle?</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">G1-phase</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">G2-phase</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">S-phase</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">Prophase</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 2</span></div>
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<span style="font-size: 14px; line-height: 18px;">What type of plant is formed when colchicine is used in the process of development of Raphanobrassica?</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">Autotetraploid</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Haploid</span></div>
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<span style="font-size: 14px; line-height: 18px;">C</span></div>
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<span style="font-size: 14px; line-height: 18px;">Triploid</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">D</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Allotetraploid</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 3</span></div>
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<span style="font-size: 14px; line-height: 18px;">The non-sister chromatids twist around and exchange segments with each other during</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">Leptotene</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Diakinesis</span></div>
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<span style="font-size: 14px; line-height: 18px;">C</span></div>
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<span style="font-size: 14px; line-height: 18px;">Diplotene</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">D</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Pachytene</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 4</span></div>
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<span style="font-size: 14px; line-height: 18px;">Synapsis occurs between</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">mRNA and ribosomes</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">A male and a female gamete</span></div>
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<span style="font-size: 14px; line-height: 18px;">C</span></div>
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<span style="font-size: 14px; line-height: 18px;">Two homologous chromosomes</span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">Spindle fibres and centromere</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 5</span></div>
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<span style="font-size: 14px; line-height: 18px;">If you are provided with root-tips of onion in your class and are asked to count the chromosomes which of the following stages can you most conveniently look into:</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">Prophase</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Anaphase</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Telophase</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">Metaphase</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 6</span></div>
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<span style="font-size: 14px; line-height: 18px;">Cells in G0 phase of cell cycle</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">Exit cell cycle</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Enter cell cycle</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Suspend cell cycle</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">Terminate cell cycle</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 7</span></div>
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<span style="font-size: 14px; line-height: 18px;">In the somatic cell cycle:</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">In G1 phase DNA content is double the amount of DNA present in the original cell</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">A short interphase is followed by a long mitotic phase</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">DNA replication takes place in S-phase</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">G2 phase follows mitotic phase</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 8</span></div>
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<span style="font-size: 14px; line-height: 18px;">Which of the following events takes place during Diplotene stage of prophase I of meiosis?</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">Compaction of chromosomes</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Formation of synaptonemal complexes</span></div>
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<span style="font-size: 14px; line-height: 18px;">C</span></div>
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<span style="font-size: 14px; line-height: 18px;">Formation of recombinational nodules</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">D</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Dissolution of synaptonemal complex</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 9</span></div>
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<span style="font-size: 14px; line-height: 18px;">The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">A</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">splitting of the centromeres</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">splitting of the chromatids</span></div>
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<span style="font-size: 14px; line-height: 18px;">C</span></div>
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<span style="font-size: 14px; line-height: 18px;">replication of the genetic material</span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">condensation of the chromatin</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 10</span></div>
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<span style="font-size: 14px; line-height: 18px;">Which of the following is unique to mitosis and not a part of meiosis?</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">Homologous chromosomes pair and form bivalents</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Chromatids are separated during anaphase</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Homologous chromosomes behave independently</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">Homologous chromosomes crossover</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 11</span></div>
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<span style="font-size: 14px; line-height: 18px;">Arrange the following events of meiosis in the correct sequence:</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">I. Terminalization</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">II. Crossing over</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">III. Synapsis</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">IV. Disjunction of genomes</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">The correct sequences :</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">II, I, IV, III</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">B</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">III, II, I, IV</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">C</span></div>
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<span style="font-size: 14px; line-height: 18px;">IV, III, II, I</span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">I, IV, III, II</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 12</span></div>
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<span style="font-size: 14px; line-height: 18px;">Assertion: Phase of cell division is also known as formative phase.</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">Reason: In formative phase new cells are produced from pre-existing cells through meiosis division. </span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Assertion is true, but Reason is false.</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">Both Assertion and Reason are false.</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 13</span></div>
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<span style="font-size: 14px; line-height: 18px;">From the following, identify the two correct statements with reference to meiosis</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">I. Bead like structure are absent on chromosomes.</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">II. Displacement of chiasmata occurs in diakinesis.</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">III. Separation of two basic sets of chromosomes.</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">IV. No division of centromere.</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">The correct statements are:</span></div>
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<span style="font-size: 14px; line-height: 18px;"><br /></span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">III, IV</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">II, IV</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">II, III</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">I, III</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 14</span></div>
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<span style="font-size: 14px; line-height: 18px;">Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage? </span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">A</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">Prophase I during meiosis</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">Both prophase and metaphase of mitosis</span></div>
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<span style="font-size: 14px; line-height: 18px;">C</span></div>
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<span style="font-size: 14px; line-height: 18px;">Prophase of Mitosis</span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">Prophase II during meiosis</span></div>
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<span style="font-size: 14px; line-height: 18px;">Question 15</span></div>
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<span style="font-size: 14px; line-height: 18px;">Study the following lists and select the correct match from the option given below.</span></div>
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<span style="font-size: 14px; line-height: 18px;">List-I<span class="Apple-tab-span" style="white-space: pre;"> </span>List-II</span></div>
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<span style="font-size: 14px; line-height: 18px;">(A) Initiation of spindle fibres<span class="Apple-tab-span" style="white-space: pre;"> </span>(I) Anaphase - I</span></div>
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<span style="font-size: 14px; line-height: 18px;">(B) Synthesis of RNA and Protein<span class="Apple-tab-span" style="white-space: pre;"> </span>(II) Zygotene</span></div>
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<span style="font-size: 14px; line-height: 18px;">(C) Action of endonuclease<span class="Apple-tab-span" style="white-space: pre;"> </span>(III) G1 phase</span></div>
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<span style="font-size: 14px; line-height: 18px;">(D) Movement of chromatids towards opposite poles<span class="Apple-tab-span" style="white-space: pre;"> </span>(IV) Pachytene</span></div>
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<span style="font-size: 14px; line-height: 18px;"> <span class="Apple-tab-span" style="white-space: pre;"> </span>(V) Anaphase - II</span></div>
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<span style="font-size: 14px; line-height: 18px;">A</span></div>
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<span style="font-size: 14px; line-height: 18px;">A - I, B - III, C - V, D - IV</span></div>
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<span style="font-size: 14px; line-height: 18px;">B</span></div>
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<span style="font-size: 14px; line-height: 18px;">A - III, B - II, C - I, D - V</span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">C</span></span></div>
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<span style="font-size: 14px; line-height: 18px;"><span style="color: red;">A - II, B - III, C - IV, D - V</span></span></div>
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<span style="font-size: 14px; line-height: 18px;">D</span></div>
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<span style="font-size: 14px; line-height: 18px;">A - V, B - III, C - I, D - II</span></div>
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NEET UPDATEShttp://www.blogger.com/profile/09945663440906071676noreply@blogger.com3tag:blogger.com,1999:blog-7239460717822706040.post-84270972705919441262013-03-30T07:08:00.002-07:002013-03-30T07:28:56.565-07:00CHEMISTRY FOR NEET<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>1.+I effect is shown by</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) -N02</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) -Cl</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) -Br</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) -CH3</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (D)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>2.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>0.023 g of sodium metal is reacted with 100 cm3 of water. The pH of the resulting solution is ______.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) 11</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) 10</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) 12</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) 9</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (C)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>3.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>0.5 mole of each of H2, SO2 and CH4 are kept in a container. A hole was made in the container. After 3 hours, the order of partial pressures in the container will be</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) pH2 > pSO2 > pCH4</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) pH2 > pCH4 > pSO2</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) pSO2 > pH2 > pCH4</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) pSO2 > pCH4, > pH2</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (D)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>4.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>10 cm3 of 0.1 N monobasic acid requires 15 cm3 of sodium hydroxide solution whose normality is</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) 1.5 N</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) 0.15 N</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) 0.066 N</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) 0.66 N</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (C)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>5.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>10-6 M NaOH is diluted 100 times. The pH of the diluted base is</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) between 6 and 7</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) between 10 and 11</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) between 7 and 8</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) between 5 and 6</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (C)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>6.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>2 gm of a radioactive sample having half life of 15 days was synthesised on 1st Jan 2009. The amount of the sample left behind on 1st March. 2009 (including both the days)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) 1 gm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) 0.5 gm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) 0 gm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) 0.125 gm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (D)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>7.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>2HI(g) Ý H2(g) + I2(g)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>The equilibrium constant of the above reaction is 6.4 at 300 K. If 0.25 mole each of H2 and</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>I2 are added to the system, the equilibrium constant will be</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) 3.2</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) 1.6</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) 6.4</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) 0.8</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (C)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>8.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>2SO2(g) + O2(g) is an example for</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) irreversible reaction</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) heterogenous catalysis</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) homogenous catalysis</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) neutralisation reaction</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (B)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>9.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>30 cc of HCl, 20 cc of 5 HNO3 and 40 cc of NaOH solutions are mixed and the volume was made up to 1 dm3. The pH of the resulting solution is</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) 1</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) 3</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) 8</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) 2</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (D)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>10.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>5 moles of SO2 and 5 moles of O2 are allowed to react. At equilibrium, it was found that 60% of SO2 is used up. lf the partial pressure of the equilibrium mixture is one atmosphere. the partial pressure of O2 is</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) 0.21 atm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) 0.41 atm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) 0.82 atm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) 0.52 atm</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (B)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>11.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Which one of these is NOT TRUE for benzene? </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) It forms only one type of monosubstituted product </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) There are three carbon-carbon single bonds and three carbon-carbon double bonds </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) Heat of hydrogenation of benzene is less than the theoretical value </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) The bond angle between carbon-carbon bonds is 120°</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (B)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>12.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Which one of the following is paramagnetic?</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) N2</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) NO</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) CO</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) O3</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (B)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>13.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Which one of the following is a covalent crystal? </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) Ice</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) Rock salt</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) Dry ice</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) Quartz</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (D)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>14.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Which one of the following DOES NOT involve coagulation? </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) Formation of delta region </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) Clotting of blood by the use of ferric chloride </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) Peptization </b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) Treatment of drinking water by potash alum</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (C)</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>15.</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Which one is not a constituent of nucleic acid?</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(A) Uracil</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(B) Guanidine</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(C) Phosphoric acid</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>(D) Ribose sugar</b></span></span></div>
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b>Answer: (B)</b></span></span><br />
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<span style="font-family: Tahoma;"><span style="background-color: white;"><b><br /></b></span></span></div>
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<b style="text-indent: -36pt;"><span style="font-family: Tahoma; text-indent: -36pt;"> 1.</span><span style="font-family: Tahoma; text-indent: -36pt;">50 cm3 of 0.2 N HCI is titrated against 0.1 N NaOH solution. The titration is discontinued after adding 50 cm3 of NaOH. The remaining titration is completed by adding 0.5 N KOH. The volume of KOH required for completing the titration is ______.</span></b></div>
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</div>
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<span style="background-color: white;"><b>(A) 10 cm3</b></span></div>
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<span style="background-color: white;"><b>(B) 12 cm3</b></span></div>
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<span style="background-color: white;"><b>(C) 10.5 cm3</b></span></div>
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<span style="background-color: white;"><b>(D) 25 cm3</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white; text-indent: -36pt;"><b>2.</b></span><b style="text-indent: -36pt;">80 g of oxygen contains as many atoms as in</b></div>
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<span style="background-color: white;"><b>(A) 80 g of hydrogen</b></span></div>
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<span style="background-color: white;"><b>(B) 1 g of hydrogen</b></span></div>
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<span style="background-color: white;"><b>(C) 10 g of hydrogen</b></span></div>
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<span style="background-color: white;"><b>(D) 5 g of hydrogen</b></span></div>
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<span style="background-color: white;"><b>Answer: (D)</b></span></div>
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<span style="background-color: white;"><b>3.</b></span></div>
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<span style="background-color: white;"><b>9.65 C of electric current is passed through fused anhydrous magnesium chloride. The magnesium metal thus obtained is completely converted into a Grignard reagent. The number of moles of the Grignard reagent obtained is ______.</b></span></div>
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<span style="background-color: white;"><b>(A) 1 ´ 10-4</b></span></div>
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<span style="background-color: white;"><b>(B) 5 ´ 10-4</b></span></div>
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<span style="background-color: white;"><b>(C) 1 ´ 10-5</b></span></div>
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<span style="background-color: white;"><b>(D) 5 ´ 10-5</b></span></div>
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<span style="background-color: white;"><b>Answer: (D)</b></span></div>
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<span style="background-color: white;"><b>4.</b></span></div>
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<span style="background-color: white;"><b>A 6% solution of urea is isotonic with</b></span></div>
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<span style="background-color: white;"><b>(A) 6% solution of Glucose</b></span></div>
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<span style="background-color: white;"><b>(B) 25% solution of Glucose</b></span></div>
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<span style="background-color: white;"><b>(C) 1 M solution of Glucose</b></span></div>
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<span style="background-color: white;"><b>(D) 0.05 M solution of Glucose</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>5.</b></span></div>
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<span style="background-color: white;"><b>A bivalent metal has an equivalent mass of 32. The molecular mass of the metal nitrate is</b></span></div>
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<span style="background-color: white;"><b>(A) I92</b></span></div>
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<span style="background-color: white;"><b>(B) 188</b></span></div>
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<span style="background-color: white;"><b>(C) 182</b></span></div>
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<span style="background-color: white;"><b>(D) 168</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>6.</b></span></div>
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<span style="background-color: white;"><b>A body of mass 10 mg is moving with a velocity of 100 ms-1. The wavelength of de-Broglie wave associated with it would be</b></span></div>
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<span style="background-color: white;"><b>(Note : h = 6.63 ´ 10-34Js)</b></span></div>
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<span style="background-color: white;"><b>(A) 6.63 ´ 10-37m</b></span></div>
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<span style="background-color: white;"><b>(B) 6.63 ´ 10-31m</b></span></div>
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<span style="background-color: white;"><b>(C) 6.63 ´ 10-34m</b></span></div>
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<span style="background-color: white;"><b>(D) 6.63 ´ 10-35m</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>7.</b></span></div>
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<span style="background-color: white;"><b>A body of mass x kg is moving with a velocity of 100 ms-1. Its de Broglie wavelength is 6.62 ´ 10-35m. Hence x is (h = 6.62 ´ 10-34Js)</b></span></div>
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<span style="background-color: white;"><b>(A) 0.15 kg</b></span></div>
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<span style="background-color: white;"><b>(B) 0.2 kg</b></span></div>
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<span style="background-color: white;"><b>(C) 0.1 kg</b></span></div>
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<span style="background-color: white;"><b>(D) 0.25 kg</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>8.</b></span></div>
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<span style="background-color: white;"><b>A buffer solution contains 0.1 mole of sodium acetate dissolved in 1000 cm3 of 0.1 M acetic acid. To the above buffer solution, 0.1 mole of sodium acetate is further added and dissolved. The pH of the resulting buffer is equal to ______.</b></span></div>
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<span style="background-color: white;"><b>(A) pKa</b></span></div>
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<span style="background-color: white;"><b>(B) pKa - Log2</b></span></div>
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<span style="background-color: white;"><b>(C) pKa + L0g2</b></span></div>
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<span style="background-color: white;"><b>(D) pKa + 2</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>9</b></span></div>
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<span style="background-color: white;"><b>A buffer solution is prepared in which the concentration of NH3 is 0.30 M and the concentration of is 0.20 M. If the equilibrium constant, Kb for NH3 equals 1.8 × 10–5, what is the pH of this solution?</b></span></div>
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<span style="background-color: white;"><b>(A) 8.73</b></span></div>
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<span style="background-color: white;"><b>(B) 9.08</b></span></div>
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<span style="background-color: white;"><b>(C) 9.43</b></span></div>
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<span style="background-color: white;"><b>(D) 11.72</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>10.</b></span></div>
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<span style="background-color: white;"><b>A complex compound in which the oxidation number of a metal is zero is</b></span></div>
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<span style="background-color: white;"><b>(A) K4 [Fe (CN)6]</b></span></div>
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<span style="background-color: white;"><b>(B) K3 [Fe (CN)6]</b></span></div>
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<span style="background-color: white;"><b>(C) [Ni (CO)4]</b></span></div>
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<span style="background-color: white;"><b>(D) [Pl (NH3 )4]Cl2</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>11.</b></span></div>
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<span style="background-color: white;"><b>Which of the following is used to prepare Cl2 gas at room temperature from concentrated HCI?</b></span></div>
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<span style="background-color: white;"><b>(A) MnO2</b></span></div>
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<span style="background-color: white;"><b>(B) H2S</b></span></div>
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<span style="background-color: white;"><b>(C) KMnO4</b></span></div>
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<span style="background-color: white;"><b>(D) Cr2O3</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>12.</b></span></div>
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<span style="background-color: white;"><b>Which of the following is not an ore of magnesium?</b></span></div>
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<span style="background-color: white;"><b>(A) Carnallite</b></span></div>
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<span style="background-color: white;"><b>(B) Dolomite</b></span></div>
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<span style="background-color: white;"><b>(C) Calamine</b></span></div>
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<span style="background-color: white;"><b>(D) Sea water</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>13.</b></span></div>
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<span style="background-color: white;"><b>Which of the following has the highest bond order?</b></span></div>
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<span style="background-color: white;"><b>(A) N2</b></span></div>
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<span style="background-color: white;"><b>(B) O2</b></span></div>
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<span style="background-color: white;"><b>(C) He2</b></span></div>
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<span style="background-color: white;"><b>(D) H2</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>14.</b></span></div>
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<span style="background-color: white;"><b>Which of the following gives an aldehyde on dry distillation? </b></span></div>
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<span style="background-color: white;"><b>(A) Calcium acetate + calcium benzoate</b></span></div>
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<span style="background-color: white;"><b>(B) Calcium formate + calcium acetate </b></span></div>
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<span style="background-color: white;"><b>(C) Calcium benzoate</b></span></div>
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<span style="background-color: white;"><b>(D) Calcium acetate</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>15.</b></span></div>
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<span style="background-color: white;"><b>Which of the following does not give benzoic acid on hydrolysis?</b></span></div>
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<span style="background-color: white;"><b>(A) phenyl cyanide</b></span></div>
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<span style="background-color: white;"><b>(B) benzoyl chloride</b></span></div>
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<span style="background-color: white;"><b>(C) benzyl chloride</b></span></div>
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<span style="background-color: white;"><b>(D) methyl benzoate</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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</div>
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<span style="background-color: white;"><b>1.</b></span></div>
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<span style="background-color: white;"><b>A compound is formed by elements A and B. This crystallises in the cubic structure where the A atoms are at the comers of the cube and B atoms are at the body centres. The simplest formula of the compound is</b></span></div>
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<span style="background-color: white;"><b>(A) AB</b></span></div>
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<span style="background-color: white;"><b>(B) A6B</b></span></div>
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<span style="background-color: white;"><b>(C) A8B4</b></span></div>
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<span style="background-color: white;"><b>(D) AB6</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>2.</b></span></div>
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<span style="background-color: white;"><b>A compound of 'A' and 'B' crystallises in a cubic lattice in which the 'A' atoms occupy the lattice points at the comers of the cube. The 'B' atoms occupy the centre of each face of the cube. The probable empirical formula of the compound is</b></span></div>
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<span style="background-color: white;"><b>(A) AB</b></span></div>
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<span style="background-color: white;"><b>(B) AB3</b></span></div>
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<span style="background-color: white;"><b>(C) AB2</b></span></div>
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<span style="background-color: white;"><b>(D) A3B</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>3.</b></span></div>
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<span style="background-color: white;"><b>A covalent molecule AB3 has pyramidal structure. The number of lone pair and bond pair electrons in the molecule are respectively</b></span></div>
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<span style="background-color: white;"><b>(A) 3 and 1</b></span></div>
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<span style="background-color: white;"><b>(B) 1 and 3</b></span></div>
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<span style="background-color: white;"><b>(C) 2 and 2</b></span></div>
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<span style="background-color: white;"><b>(D) 0 and 4</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>4.</b></span></div>
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<span style="background-color: white;"><b>A diabetic person carries a pocket of Glucose with him always, because</b></span></div>
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<span style="background-color: white;"><b>(A) Glucose reduces the blood sugar level.</b></span></div>
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<span style="background-color: white;"><b>(B) Glucose increases the blood sugar level almost instantaneously.</b></span></div>
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<span style="background-color: white;"><b>(C) Glucose reduces the blood sugar level slowly.</b></span></div>
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<span style="background-color: white;"><b>(D) Glucose increases the blood sugar level slowly.</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>5.</b></span></div>
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<span style="background-color: white;"><b>A dibromo derivative of an alkane reacts with sodium metal to form an alicyclic hydrocarbon. The derivative is ______.</b></span></div>
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<span style="background-color: white;"><b>(A) 2, 2 - dibromobutane</b></span></div>
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<span style="background-color: white;"><b>(B) 1, 1 - dibromopropane</b></span></div>
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<span style="background-color: white;"><b>(C) 1, 4 - dibromobutane</b></span></div>
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<span style="background-color: white;"><b>(D) 1, 2 - dibromoethane</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>6.</b></span></div>
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<span style="background-color: white;"><b>A gas deviates from ideal behaviour at a high pressure because its molecules</b></span></div>
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<span style="background-color: white;"><b>(A) attract one another</b></span></div>
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<span style="background-color: white;"><b>(B) show the Tyndall effect</b></span></div>
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<span style="background-color: white;"><b>(C) have kinetic energy</b></span></div>
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<span style="background-color: white;"><b>(D) are bound by covalent bonds</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>7.</b></span></div>
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<span style="background-color: white;"><b>A gaseous mixture was prepared by taking equal mole of CO and N2. If the total pressure of the mixture was found 1 atmosphere, the partial pressure of the nitrogen (N2) in the mixture is</b></span></div>
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<span style="background-color: white;"><b>(A) 1 atm</b></span></div>
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<span style="background-color: white;"><b>(B) 0.5 atm</b></span></div>
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<span style="background-color: white;"><b>(C) 0.8 atm</b></span></div>
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<span style="background-color: white;"><b>(D) 0.9 atm</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>8.</b></span></div>
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<span style="background-color: white;"><b>A ligand can also be regarded as</b></span></div>
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<span style="background-color: white;"><b>(A) Lewis acid</b></span></div>
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<span style="background-color: white;"><b>(B) Bronsted base</b></span></div>
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<span style="background-color: white;"><b>(C) Lewis base</b></span></div>
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<span style="background-color: white;"><b>(D) Bronsted acid</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>9.</b></span></div>
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<span style="background-color: white;"><b>A metal present in insulin is</b></span></div>
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<span style="background-color: white;"><b>(A) copper</b></span></div>
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<span style="background-color: white;"><b>(B) iron</b></span></div>
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<span style="background-color: white;"><b>(C) zinc</b></span></div>
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<span style="background-color: white;"><b>(D) aluminium</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>10.</b></span></div>
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<span style="background-color: white;"><b>A mixture of CaCl2 and NaCl weighing 4.44 g is treated with sodium carbonate solution to precipitate all the Ca+2 ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get 0.56 g of CaO. The percentage of NaCl in the mixture (atomic mass of Ca = 40) is ______.</b></span></div>
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<span style="background-color: white;"><b>(A) 30.6</b></span></div>
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<span style="background-color: white;"><b>(B) 75</b></span></div>
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<span style="background-color: white;"><b>(C) 69.4</b></span></div>
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<span style="background-color: white;"><b>(D) 25</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>11.</b></span></div>
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<span style="background-color: white;"><b>Which of the following compound would not evolve CO2 when treated with NaHCO3 solution?</b></span></div>
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<span style="background-color: white;"><b>(A) salicylic acid</b></span></div>
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<span style="background-color: white;"><b>(B) phenol</b></span></div>
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<span style="background-color: white;"><b>(C) benzoic acid</b></span></div>
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<span style="background-color: white;"><b>(D) 4-nitro benzoic acid</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>12.</b></span></div>
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<span style="background-color: white;"><b>Which is not the correct statement about RNA and DNA?</b></span></div>
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<span style="background-color: white;"><b>(A) DNA is active in virus where RNA never appears in virus</b></span></div>
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<span style="background-color: white;"><b>(B) DNA exists as dimer while RNA is usually single stranded</b></span></div>
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<span style="background-color: white;"><b>(C) DNA contains deoxyribose as its sugar and RNA contains ribose</b></span></div>
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<span style="background-color: white;"><b>(D) RNA contains uracil in place of thymine (found in DNA) as a base</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>13.</b></span></div>
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<span style="background-color: white;"><b>Which cycloalkane has the lowest heat of combustion per CH2 group?</b></span></div>
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<span style="background-color: white;"><b>(A) cyclopropane</b></span></div>
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<span style="background-color: white;"><b>(B) cyclobutanc</b></span></div>
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<span style="background-color: white;"><b>(C) cyclopontane</b></span></div>
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<span style="background-color: white;"><b>(D) cyclohexane</b></span></div>
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<span style="background-color: white;"><b>Answer: (D)</b></span></div>
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<span style="background-color: white;"><b>14.</b></span></div>
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<span style="background-color: white;"><b>When a mixture of calcium benzoate and calcium acetate is dry distilled, the resulting compound is</b></span></div>
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<span style="background-color: white;"><b>(A) acetophenone</b></span></div>
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<span style="background-color: white;"><b>(B) benzaldehyde</b></span></div>
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<span style="background-color: white;"><b>(C) benzophenone</b></span></div>
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<span style="background-color: white;"><b>(D) acetaldehyde</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>15.</b></span></div>
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<span style="background-color: white;"><b>What is the nature of glucose-glucose linkage in starch that makes its so susceptible to acid hydrolysis?</b></span></div>
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<span style="background-color: white;"><b>(A) Starch is hemiacetal</b></span></div>
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<span style="background-color: white;"><b>(B) Starch is acetal</b></span></div>
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<span style="background-color: white;"><b>(C) Starch is polymer</b></span></div>
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<span style="background-color: white;"><b>(D) Starch contains only few molecules of glucose</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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</div>
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<span style="background-color: white;"><b>1.</b></span></div>
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<span style="background-color: white;"><b>Benzaldehyde and acetone can be best distinguished using ______.</b></span></div>
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<span style="background-color: white;"><b>(A) sodium hydroxide solution</b></span></div>
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<span style="background-color: white;"><b>(B) Fehling's solution</b></span></div>
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<span style="background-color: white;"><b>(C) Tollens' reagent</b></span></div>
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<span style="background-color: white;"><b>(D) 2, 4-DNPH</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>2.</b></span></div>
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<span style="background-color: white;"><b>Benzene reacts with chlorine in sunlight to give a final product</b></span></div>
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<span style="background-color: white;"><b>(A) C6H5Cl</b></span></div>
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<span style="background-color: white;"><b>(B) C6Cl6</b></span></div>
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<span style="background-color: white;"><b>(C) C6H6Cl6</b></span></div>
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<span style="background-color: white;"><b>(D) CCl4</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>3.</b></span></div>
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<span style="background-color: white;"><b>By what factors does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled?</b></span></div>
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<span style="background-color: white;"><b>(A) 1.4</b></span></div>
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<span style="background-color: white;"><b>(B) 2.0</b></span></div>
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<span style="background-color: white;"><b>(C) 2.8</b></span></div>
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<span style="background-color: white;"><b>(D) 4.0</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>4.</b></span></div>
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<span style="background-color: white;"><b>Carbon can reduce ferric oxide to iron at a temperature above 983 K because ______.</b></span></div>
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<span style="background-color: white;"><b>(A) carbon has a higher affinity towards oxidation than iron.</b></span></div>
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<span style="background-color: white;"><b>(B) carbon monoxide formed is thermodynamically less stable than ferric oxide.</b></span></div>
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<span style="background-color: white;"><b>(C) iron has a higher affinity towards oxygen than carbon.</b></span></div>
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<span style="background-color: white;"><b>(D) free energy change for the formation of carbon dioxide is less negative than that for ferric oxide.</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>5.</b></span></div>
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<span style="background-color: white;"><b>Carbon forms two oxides which have different compositions. The equivalent mass of which remains constant?</b></span></div>
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<span style="background-color: white;"><b>(A) carbon</b></span></div>
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<span style="background-color: white;"><b>(B) oxygen</b></span></div>
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<span style="background-color: white;"><b>(C) neither carbon nor oxygen</b></span></div>
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<span style="background-color: white;"><b>(D) both carbon and oxygen</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>6.</b></span></div>
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<span style="background-color: white;"><b>Catalytic dehydrogenation of a primary alcohol gives a</b></span></div>
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<span style="background-color: white;"><b>(A) secondary alcohol</b></span></div>
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<span style="background-color: white;"><b>(B) aldehyde</b></span></div>
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<span style="background-color: white;"><b>(C) ketone</b></span></div>
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<span style="background-color: white;"><b>(D) ester</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>7.</b></span></div>
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<span style="background-color: white;"><b>CH3CH2Br A B C C D; "D" is _____.</b></span></div>
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<span style="background-color: white;"><b>(A) CH3CONH2</b></span></div>
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<span style="background-color: white;"><b>(B) CH3Br</b></span></div>
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<span style="background-color: white;"><b>(C) CHBr3</b></span></div>
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<span style="background-color: white;"><b>(D) CH3NH2</b></span></div>
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<span style="background-color: white;"><b>Answer: (D)</b></span></div>
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<span style="background-color: white;"><b>8.</b></span></div>
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<span style="background-color: white;"><b>CH3COOH</b></span></div>
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<span style="background-color: white;"><b>ln the above reaction Z is</b></span></div>
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<span style="background-color: white;"><b>(A) Ketol</b></span></div>
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<span style="background-color: white;"><b>(B) Acetal</b></span></div>
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<span style="background-color: white;"><b>(C) Butanol</b></span></div>
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<span style="background-color: white;"><b>(D) Aldol</b></span></div>
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<span style="background-color: white;"><b>Answer: (D)</b></span></div>
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<span style="background-color: white;"><b>9.</b></span></div>
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<span style="background-color: white;"><b>Chloroacetic acid is a stronger acid than acetic acid. This can be explained using ______.</b></span></div>
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<span style="background-color: white;"><b>(A) - I effect</b></span></div>
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<span style="background-color: white;"><b>(B) - M effect</b></span></div>
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<span style="background-color: white;"><b>(C) +I effect</b></span></div>
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<span style="background-color: white;"><b>(D) + M effect</b></span></div>
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<span style="background-color: white;"><b>Answer: (A)</b></span></div>
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<span style="background-color: white;"><b>10.</b></span></div>
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<span style="background-color: white;"><b>Clemmensen reduction of a ketone is carried out in the presence of which of the following?</b></span></div>
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<span style="background-color: white;"><b>(A) H2 and Pt as catalyst</b></span></div>
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<span style="background-color: white;"><b>(B) Glycol with KOH</b></span></div>
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<span style="background-color: white;"><b>(C) Zn-Hg with HCl</b></span></div>
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<span style="background-color: white;"><b>(D) LiAlH4</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>11.</b></span></div>
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<span style="background-color: white;"><b>0.023 g of sodium metal is reacted with 100 cm3 of water. The pH of the resulting solution is ______.</b></span></div>
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<span style="background-color: white;"><b>(A) 8</b></span></div>
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<span style="background-color: white;"><b>(B) 10</b></span></div>
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<span style="background-color: white;"><b>(C) 12</b></span></div>
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<span style="background-color: white;"><b>(D) 9</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>12.</b></span></div>
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<span style="background-color: white;"><b>2 gm of metal carbonate is neutralized completely by 100 ml of 0.1 (N) HCI. The equivalent weight of metal carbonate is</b></span></div>
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<span style="background-color: white;"><b>(A) 50</b></span></div>
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<span style="background-color: white;"><b>(B) 100</b></span></div>
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<span style="background-color: white;"><b>(C) 150</b></span></div>
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<span style="background-color: white;"><b>(D) 200</b></span></div>
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<span style="background-color: white;"><b>Answer: (D)</b></span></div>
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<span style="background-color: white;"><b>13.</b></span></div>
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<span style="background-color: white;"><b>25 g of each of the following gasses are taken at 27oC and 600 mm pressure. Which of these will have the least volume? </b></span></div>
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<span style="background-color: white;"><b>(A) HCl</b></span></div>
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<span style="background-color: white;"><b>(B) HBr</b></span></div>
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<span style="background-color: white;"><b>(C) HI</b></span></div>
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<span style="background-color: white;"><b>(D) HF</b></span></div>
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<span style="background-color: white;"><b>Answer: (C)</b></span></div>
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<span style="background-color: white;"><b>14.</b></span></div>
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<span style="background-color: white;"><b>4 moles each of SO2 and O2 gases are allowed to react to form SO3 in a closed vessel. At equilibrium 25% of O2 is used up. The total number of moles of all the gases present at equilibrium is</b></span></div>
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<span style="background-color: white;"><b>(A) 6.5</b></span></div>
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<span style="background-color: white;"><b>(B) 7.0</b></span></div>
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<span style="background-color: white;"><b>(C) 8.0</b></span></div>
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<span style="background-color: white;"><b>(D) 2.0</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<span style="background-color: white;"><b>15.</b></span></div>
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<span style="background-color: white;"><b>A distinctive and characteristic functional group of fats is</b></span></div>
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<span style="background-color: white;"><b>(A) a peptide group</b></span></div>
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<span style="background-color: white;"><b>(B) an ester group</b></span></div>
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<span style="background-color: white;"><b>(C) an alcoholic group</b></span></div>
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<span style="background-color: white;"><b>(D) a ketonic group</b></span></div>
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<span style="background-color: white;"><b>Answer: (B)</b></span></div>
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<table border="0" style="font-family: 'Times New Roman'; text-indent: 0px; width: 100%px;"><tbody>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>1. Which of the following compounds would have the highest boiling point?</b></span></td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(a)</span></td><td width="89%">CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub></td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(b)</span></td><td width="89%">CH<sub>3</sub>NH<sub>2</sub></td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(c)</span></td><td width="89%">CH<sub>3</sub>OH</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(d)</span></td><td width="89%">CH<sub>2</sub>F<sub>2</sub></td></tr>
<tr><td width="5%"></td><td width="6%"></td><td width="89%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>2. Which of the following alkanes would have the highest boiling point?</b></span></td></tr>
<tr><td colspan="3" width="100%"><blockquote>
<div align="left">
<map name="FPMap0"></map><img border="0" height="154" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol1/v1_omc2.gif" usemap="#FPMap0" width="526" /></div>
</blockquote>
</td></tr>
<tr><td width="5%"></td><td width="6%"></td><td width="89%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>3. How are the following compounds related?</b></span><br />
<blockquote>
<img border="0" height="73" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol1/v1_omc3.gif" width="288" /></blockquote>
</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(a)</span></td><td width="89%">isoelectronic species</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(b)</span></td><td width="89%">isotopes</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(c)</span></td><td width="89%">isomers</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(d)</span></td><td width="89%">These compounds are not related at all...they are totally different.</td></tr>
<tr><td width="5%"></td><td width="6%"></td><td width="89%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>4. What is the total number of sigma bonds found in the following compound?</b></span><br />
<blockquote>
<img border="0" height="20" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol1/v1_omc4.gif" width="205" /></blockquote>
</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(a)</span></td><td width="89%">8</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(b)</span></td><td width="89%">10</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(c)</span></td><td width="89%">11</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(d)</span></td><td width="89%">15</td></tr>
<tr><td width="5%"></td><td width="6%"></td><td width="89%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>5. What is the total number of pi bonds found in the following compound?</b></span><br />
<blockquote>
<img border="0" height="20" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol1/v1_omc5.gif" width="146" /></blockquote>
</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(a)</span></td><td width="89%">1</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(b)</span></td><td width="89%">2</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(c)</span></td><td width="89%">3</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(d)</span></td><td width="89%">4</td></tr>
</tbody></table>
</div>
<div class="QuestionPaper" style="font-family: Tahoma; margin: 0cm 0cm 0.0001pt 36pt; padding: 5px; text-indent: -36pt;">
<span style="background-color: white;"><b><br /></b></span></div>
<div class="QuestionPaper" style="margin: 0cm 0cm 0.0001pt 36pt; padding: 5px; text-indent: 0px;">
</div>
<div class="QuestionPaper" style="margin: 0cm 0cm 0.0001pt 36pt; padding: 5px;">
<table border="0" style="width: 100%px;"><tbody>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>1. What is the IUPAC name for the following compound?</b></span><br />
<blockquote>
<blockquote>
<img border="0" height="47" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol6/v6_omc1.gif" width="194" /></blockquote>
</blockquote>
</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(a)</span></td><td width="89%">4-vinyl-2-pentyne</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(b)</span></td><td width="89%">4-methylhex-2-yn-5-ene</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(c)</span></td><td width="89%">3-methylhex-4-yn-1-ene</td></tr>
<tr><td width="5%"></td><td width="6%"><span style="font-size: small;">(d)</span></td><td width="89%">3-methylhex-1-en-4-yne</td></tr>
<tr><td width="5%"></td><td width="6%"></td><td width="89%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>2. What is the major product expected from the following reaction?</b></span></td></tr>
<tr><td colspan="3" width="100%"><blockquote>
<map name="FPMap0"></map><img border="0" height="120" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol6/v6_omc2.gif" usemap="#FPMap0" width="400" /></blockquote>
</td></tr>
<tr><td colspan="3" width="100%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>3. What is the major product expected from the following reaction?</b></span></td></tr>
<tr><td colspan="3" width="100%"><blockquote>
<map name="FPMap1"></map><img border="0" height="203" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol6/v6_omc3.gif" usemap="#FPMap1" width="662" /></blockquote>
</td></tr>
<tr><td width="5%"></td><td width="6%"></td><td width="89%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>4. What is the major product expected from the following reaction?</b></span></td></tr>
<tr><td colspan="3" width="100%"><blockquote>
<div style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;">
<map name="FPMap2"></map><img border="0" height="90" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol6/v6_omc4.gif" usemap="#FPMap2" width="400" /></div>
</blockquote>
</td></tr>
<tr><td width="5%"></td><td width="6%"></td><td width="89%"></td></tr>
<tr><td colspan="3" width="100%"><span style="font-size: small;"><b>5. What is the major product expected from the following reaction?</b></span></td></tr>
<tr><td colspan="3" width="100%"><blockquote>
<map name="FPMap3"></map><img border="0" height="190" src="http://chemistry.boisestate.edu/people/richardbanks/organic/mc/vol6/v6_omc5.gif" usemap="#FPMap3" width="400" /></blockquote>
</td></tr>
</tbody></table>
</div>
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NEET UPDATEShttp://www.blogger.com/profile/09945663440906071676noreply@blogger.com2tag:blogger.com,1999:blog-7239460717822706040.post-8484385504029492182013-03-30T02:37:00.000-07:002013-03-30T02:57:23.476-07:00NEET MODEL PHYSICS QUESTIONS WITH ANSWERS<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="background-color: white;"><b>1) If you push for an hour against a stationary wall, you do no work<br />A) on the wall. B) at all. C) both of these D) none of these<br /><br />2) If you push an object twice as far while applying the same force you do<br />A) twice as much work.<br />B) four times as much work.<br />C) the same amount of work.<br /><br />3) If you push an object just as far while applying twice the force you do<br />A) twice as much work.<br />B) four times as much work.<br />C) the same amount of work.<br /><br />4) If you push an object with twice the work input for twice the time, your power input is<br />A) twice.<br />B) four times as much.<br />C) the same amount as for half the work in half the time.<br /><br />5) A job is done slowly, while an identical job is done quickly. Both jobs require the same amount of work, but different amounts of<br />A) energy. B) power. C) both of these. D) none of these.<br /><br />6) If you do work on an object in half the usual time, your power output is<br />A) half the usual power output.<br />B) the usual power output.<br />C) twice the usual power output.<br /><br />7) Exert 1 N for a distance of 1 m in 1 s and you deliver a power of<br />A) 1 W.<br />B) 2 W.<br />C) 1/3 W.<br />D) 3 W.<br />E) none of these.<br /><br />8) Do 100 J of work in 50 s and your power output is<br />A) 1/4 W.<br />B) 1/2 W.<br />C) 2 W.<br />D) 4 W.<br />E) more than 4 W.<br /><br />9) When an object is raised above the ground it gains a certain amount of potential energy. If the same object is raised twice as high it gains<br />A) four times as much potential energy.<br />B) twice as much potential energy.<br />C) neither of these.<br /><br />10) When an object is lifted 10 meters, it gains a certain amount of potential energy. If the same object is lifted 20 meters, its potential energy gain is<br />A) less.<br />B) the same.<br />C) twice as much.<br />D) four times as much.<br />E) more than 4 times as much.<br /><br />11) A 1000-kg car and a 2000-kg car are hoisted the same distance in a gas station. Raising the more massive car requires<br />A) less work.<br />B) as much work.<br />C) twice as much work.<br />D) four times as much work.<br />E) more than 4 times as much work.<br /><br />12) An object that has kinetic energy must be<br />A) moving.<br />B) falling.<br />C) at an elevated position.<br />D) at rest.<br />E) none of these.<br /><br />13) An object that has potential energy may have this energy because of its<br />A) speed.<br />B) acceleration.<br />C) momentum.<br />D) location.<br />E) none of these.<br /><br />14) Bullets are fired from an airplane in the forward direction of motion. The momentum of the airplane will be<br />A) decreased. B) unchanged. C) increased.<br /><br />15) A clerk can lift containers a vertical distance of 1 meter or can <span class="IL_AD" id="IL_AD1" style="background-attachment: scroll !important; background-image: none !important; background-position: 0% 50%; border-bottom-color: rgb(27, 142, 222) !important; border-bottom-style: dotted !important; border-bottom-width: 1px !important; color: rgb(27, 142, 222) !important; cursor: pointer !important; display: inline !important; float: none !important; padding: 0px 0px 1px !important; position: static;">roll</span> them up a 2 meter-long ramp to the same elevation. With the ramp, the applied force required is about<br />A) half as much. B) twice as much. C) the same.<br /><br />16) A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have a kinetic energy of<br />A) less than 40 J. B) more than 40 J. C) 40 J.<br /><br />17) When a car is braked to a stop, its kinetic energy is transformed to<br />A) stopping energy.<br />B) potential energy.<br />C) energy of motion.<br />D) energy of rest.<br />E) heat.<br /><br />18) A hydraulic press, like a simple lever, properly arranged is capable of multiplying energy input.<br />A) sometimes true B) always false C) always true<br /><br />19) A hydraulic press, like a simple lever, properly arranged is capable of multiplying force input.<br />A) true B) false<br /><br />A marble is rolling back and forth along the path shown.<br /><br />Figure 7-A<br /><br />20) At position A, is the marble's kinetic energy less than, greater than, or the same as its kinetic energy when it is at B?<br />A) less B) greater C) the same<br /><br />A small ball tied to a string swings without air resistance, beginning from rest at point A.<br />The string snags on a nail at point P, causing the ball to move in a small circle.<br /><br />Figure 7-B<br /><br />21) The ball has maximum potential energy at point<br />A) A. B) B. C) C. D) D. E) E.<br /><br />22) The ball has maximum kinetic energy at point<br />A) A. B) B. C) C. D) D. E) E.<br /><br />23) The ball has maximum speed at point<br />A) A. B) B. C) C. D) D. E) E.<br /><br />A small bead slides without friction along the wire shown here, beginning at point A.<br />The wire does not touch itself at point C, so the bead has room to slide past that point.<br /><br />Figure 7-C<br /><br />24) The bead has maximum kinetic energy at point<br />A) A. B) B. C) C. D) D. E) F.<br /><br />25) The bead has maximum potential energy at point<br />A) A. B) B. C) C. D) D. E) F.<br /><br />26) The bead has maximum speed at point<br />A) A. B) B. C) C. D) D. E) F.<br /><br />27) No work is done by gravity on a bowling ball that rolls along a bowling alley because<br />A) no force acts on the ball.<br />B) no distance is covered by the ball.<br />C) the force on the ball is at right angles to the ball's motion.<br />D) no potential energy is being converted to kinetic energy.<br />E) its kinetic energy remains constant.<br /><br />28) Which requires more work: lifting a 50-kg sack vertically 2 meters or lifting a 25-kg sack vertically 4 meters?<br />A) lifting the 50-kg sack<br />B) lifting the 25-kg sack<br />C) Both require the same amount of work.<br /><br />29) A 50-kg sack is lifted 2 meters in the same time as a 25-kg sack is lifted 4 meters. The power expended in raising the 50-kg sack compared to the power used to lift the 25-kg sack is<br />A) twice as much. B) half as much. C) the same.<br /><br />30) A TV set is pushed a distance of 2 m with a force of 20 N that is in the same direction as the set moves. How much work is done on the set?<br />A) 2 J B) 10 J C) 20 J D) 40 J E) 80 J<br /><br />31) It takes 40 J to push a <span class="IL_AD" id="IL_AD3" style="background-attachment: scroll !important; background-image: none !important; background-position: 0% 50%; border-bottom-color: rgb(27, 142, 222) !important; border-bottom-style: dotted !important; border-bottom-width: 1px !important; color: rgb(27, 142, 222) !important; cursor: pointer !important; display: inline !important; float: none !important; padding: 0px 0px 1px !important; position: static;">large box</span> 4 m across a floor. Assuming the push is in the same direction as the move, what is the magnitude of the force on the box?<br />A) 4 N<br />B) 10 N<br />C) 40 N<br />D) 160 N<br />E) none of these<br /><br />32) A 2-kg mass is held 4 m above the ground. What is the approximate potential energy of the mass with respect to the ground?<br />A) 20 J<br />B) 40 J<br />C) 60 J<br />D) 80 J<br />E) none of these.<br /><br />33) A 2-kg mass has 40 J of potential energy with respect to the ground. Approximately how far is it located above the ground?<br />A) 1 m<br />B) 2 m<br />C) 3 m<br />D) 4 m<br />E) none of these<br /><br />34) A heavy pile driver starting from rest falls on a pile with a force that depends on<br />A) the original height of the driver.<br />B) the original potential energy of the driver.<br />C) the distance the pile is moved.<br />D) all of these.<br />E) none of these.<br /><br />35) Using 1000 J of work, a toy elevator is raised from the ground floor to the second floor in 20 seconds. How much power does the elevator use?<br />A) 20 W B) 50 W C) 100 W D) 1000 W E) 20,000 W<br /><br />36) One end of a long, uniform log is raised to shoulder level. Another identical log is raised at its center to the same level. Raising the second log requires about<br />A) the same amount of work.<br />B) twice as much work.<br />C) more than twice as much work.<br /><br />37) Two identical arrows, one with twice the kinetic energy of the other, are fired into a hay bale. The faster arrow will penetrate<br />A) the same distance as the slower arrow.<br />B) twice as far as the slower arrow.<br />C) four times as far as the slower arrow.<br />D) more than four times as far as the slower arrow.<br />E) none of these.<br /><br />38) A <span class="IL_AD" id="IL_AD5" style="background-attachment: scroll !important; background-image: none !important; background-position: 0% 50%; border-bottom-color: rgb(27, 142, 222) !important; border-bottom-style: dotted !important; border-bottom-width: 1px !important; color: rgb(27, 142, 222) !important; cursor: pointer !important; display: inline !important; float: none !important; padding: 0px 0px 1px !important; position: static;">car moves</span> 4 times as fast as another identical car. Compared to the slower car, the faster car has<br />A) 4 times the KE. B) 8 times the KE.<br />C) 12 times the KE. D) 16 times the KE.<br /><br />39) A ball is projected into the air with 100 J of kinetic energy which is transformed to gravitational potential energy at the top of its trajectory. When it returns to its original level after encountering air resistance, its kinetic energy is<br />A) less than 100 J. B) more than 100 J.<br />C) 100 J. D) not enough information given.<br /><br />40) Strictly speaking, if any electrical device in your car is turned on (such as an air conditioner, headlights, or even a radio) more gasoline is burned by the engine. This statement is<br />A) totally false.<br />B) true only if the car's engine is running.<br />C) true only if the car's engine is stopped.<br />D) almost always true.<br />E) none of these.<br /><br />41) A machine puts out 100 Watts of power for every 1000 Watts put into it. The efficiency of the machine is<br />A) 10%.<br />B) 50%.<br />C) 90%.<br />D) 110%.<br />E) none of these.<br /><br />42) An ungloved fist will do more damage to a jaw than a gloved fist. The reason for this is that the ungloved fist<br />A) delivers a larger impulse to the jaw. B) exerts a larger force on the jaw.<br />C) has less air resistance on it. D) none of these.<br /><br />43) A woman lifts a box from the floor. She then moves with constant speed to the other side of the room, where she puts the box down. How much work does she do on the box while walking across the floor at constant speed?<br />A) zero J<br />B) more than zero J<br />C) more information needed to determine<br /><br />44) A car moving at 50 km/hr skids 20 m with locked brakes. How far will the car skid with locked brakes if it is traveling at 150 km/hr?<br />A) 20 m B) 60 m C) 90 m D) 120 m E) 180 m<br /><br />45) Which has greater kinetic energy, a car traveling at 30 km/hr or a car of half the mass traveling at 60 km/hr?<br />A) the 30 km/hr car<br />B) the 60 km/hr car<br />C) Both have the same kinetic energy.<br /><br />46) A diver who weighs 500 N steps off a diving board that is 10 m above the water. The diver hits the water with kinetic energy of<br />A) 10 J.<br />B) 500 J.<br />C) 510 J.<br />D) 5000 J.<br />E) more than 5000 J.<br /><br />47) Consider a hydraulic press. When the input piston is depressed 20 cm, the output piston is observed to move 1 cm. On the same press, an input force of 1 N can raise no more than<br />A) 1 N. B) 10 N. C) 20 N. D) 21 N.<br /><br />48) A 2500-N pile-driver ram falls 10 m and drives a post 0.1 m into the ground. The average impact force on the ram is<br />A) 2,500 N. B) 25,000 N. C) 250,000 N. D) 2,500,000 N.<br /><br />49) A pulley system raises a 1000-N load with 100 N of input force. The efficiency of the system is<br />A) 10%.<br />B) 90%.<br />C) 100%.<br />D) 1000%.<br />E) not enough information given.<br /><br />50) A jack system will increase the potential energy of a heavy load by no more than 1000 J with a work input of 2000 J. The efficiency of the jack system is no more than<br />A) 10%.<br />B) 20%.<br />C) 50%.<br />D) 80%.<br />E) not enough information given.<br /><br />51) Which requires the most amount of work on the brakes of a car?<br />A) slowing down from 100 km/h to 70 km/h<br />B) slowing down from 70 km/h to a stop<br />C) equal amounts for either<br /><br />52) A car that travels twice as fast as another when braking to a stop will skid<br />A) twice as far.<br />B) four times as far.<br />C) depends on the mass of the cars.<br /><br />53) Two identical arrows, one with twice the speed of the other, are fired into a hay bale. The faster arrow will penetrate<br />A) the same distance as the slower arrow.<br />B) twice as far as the slower arrow.<br />C) four times as far as the slower arrow.<br />D) more than four times as far as the slower arrow.<br />E) none of these.<br /><br />54) A person on the edge of a roof throws a ball downward. It strikes the ground with 100 J of kinetic energy. The person throws another identical ball upward with the same initial speed, and this too falls to the ground. Neglecting air resistance, the second ball hits the ground with a kinetic energy of<br />A) 100 J.<br />B) 200 J.<br />C) less than 100 J.<br />D) more than 200 J.<br />E) none of these.<br /><br />55) If a power plant is 30% efficient, and the transmission system that delivers power to consumers is 60% efficient, then the overall efficiency is<br />A) 90%.<br />B) 60%.<br />C) 30%.<br />D) 18%.<br />E) none of these.<br /><br />56) How many Joules of energy are in one kilowatt-hour?<br />A) 1<br />B) 60<br />C) 60,000<br />D) 3.6 million<br />E) none of these<br /><br />57) A car's engine is 20% efficient. When cruising, the car encounters an average retarding force of 1000 N. If the energy content of gasoline is 40 megajoules per liter, how many kilometers per liter does the car get?<br />A) 14<br />B) 12<br />C) 10<br />D) 8<br />E) none of these<br /><br />58) Suppose a miracle car has a 100% efficient engine and burns fuel that has a 40-megajoules-per-liter energy content. If the air drag and overall frictional forces on this car traveling at highway speeds total 1000 N, what is the overall limit in distance per liter it could be driven on the highway?<br />A) 30 km<br />B) 40 km<br />C) 50 km<br />D) more than 50 km<br />E) not enough information<br /><br />59) On a sunny day about 500 watts of solar power strikes each square meter of the earth's surface. If a solar automobile has 4 square meters of collector area and 100% efficient collectors and motor, its power output is about<br />A) 0.27 hp. B) 2.7 hp. C) 27 hp. D) 270 hp.<br /><br />60) A flower pot of mass m falls from rest to the ground below, a distance h. Which statement is correct?<br />A) The speed of the pot when it hits the ground is proportional to h.<br />B) The KE of the pot when it hits the ground is proportional to h.<br />C) The KE of the pot when it hits the ground does not depend on m.<br />D) The speed of the pot when it hits the ground depends on m.<br />E) None of these is correct.<br /><br />61) Whereas impulse involves the time that a force acts, work involves the<br />A) distance that a force acts.<br />B) time and distance that a force acts.<br />C) acceleration that a force produces.<br /><br />62) When a rifle is fired it recoils so both the bullet and rifle are set in motion. The rifle and bullet ideally acquire equal<br />A) but opposite amounts of momentum. B) amounts of kinetic energy.<br />C) both of these. D) none of these.<br /><br />63) A moving object has<br />A) speed.<br />B) velocity.<br />C) momentum.<br />D) energy.<br />E) all of these.<br /><br />64) What does an object have when moving that it never has when at rest?<br />A) momentum<br />B) energy<br />C) mass<br />D) inertia<br />E) none of these<br /><br />65) If an object has kinetic energy, then it also must have<br />A) impulse.<br />B) momentum.<br />C) acceleration.<br />D) force.<br />E) none of these.<br /><br />66) If the speed of a moving object doubles, then what else doubles?<br />A) momentum<br />B) kinetic energy<br />C) acceleration<br />D) all of these<br />E) none of these<br /><br />67) An object at rest may have<br />A) speed.<br />B) velocity.<br />C) energy.<br />D) momentum.<br />E) none of these.<br /><br />68) A feather and a coin dropped in a vacuum fall with equal<br />A) forces.<br />B) momenta.<br />C) accelerations.<br />D) kinetic energies.<br />E) none of these.<br /><br />69) A heavy and a light object released from the same height in a vacuum have equal<br />A) weights.<br />B) momenta.<br />C) energies.<br />D) all of these.<br />E) none of these.<br /><br />70) Two pool balls, each moving at 2 m/s, roll toward each other and collide. Suppose after bouncing apart, each moves at 4 m/s. This collision violates conservation of<br />A) momentum. B) kinetic energy. C) both of these. D) none of these.<br /><br />71) Compared to a recoiling rifle, the bullet fired has a greater<br />A) momentum. B) kinetic energy. C) none of these. D) both of these.<br /><br />72) A bullet has more kinetic energy than the recoiling rifle from which it is fired is because the force on the bullet acts over a longer<br />A) time. B) distance.<br />C) both of these. D) neither of these.<br /><br />73) An open freight car rolls friction free along a horizontal track in a pouring rain that falls vertically. As water accumulates in the car, the car's speed<br />A) increases. B) decreases. C) doesn't change.<br /><br />74) A car has a head-on collision with another car with the same magnitude of momentum. An identical car driving with the same speed as the first car runs into an enormously massive wall. The greater impulse will occur on the car that is in the collision with the<br />A) approaching car.<br />B) the wall.<br />C) both impulses will be the same.<br /><br />A popular swinging-balls apparatus (shown below) consists of an aligned row of identical elastic balls suspended by strings so that the balls barely touch each other. When two balls are lifted from one end and released, they strike the row and two balls pop out from the other end.<br /><br />Figure 7-D<br /><br />75) If instead one ball popped out with twice the velocity of the two, this would be a violation of conservation of<br />A) momentum. B) energy. C) both of these. D) none of these.<br /><br />76) If instead one ball popped out with kinetic energy equal to the combined kinetic energy of the two, this would be a violation of conservation of<br />A) momentum. B) energy.<br />C) both of these. D) neither of these.<br /><br />77) A golf ball is thrown at and bounces backward from a massive bowling ball that is initially at rest. After the collision, compared to the golf ball, the bowling ball has more<br />A) momentum, but less kinetic energy.<br />B) kinetic energy, but less momentum.<br />C) momentum and more kinetic energy.<br />D) but it has less momentum and less kinetic energy.<br />E) not enough information is given to say.<br /><br />78) A piece of taffy slams into and sticks to another identical piece of taffy that is at rest. The momentum of the two pieces stuck together after the collision is the same as it was before the collision, but this is not true of the kinetic energy, which is partly turned into heat. What percentage of the kinetic energy is turned into heat?<br />A) 0%<br />B) 25%<br />C) 50%<br />D) 75%<br />E) not enough information given<br /><br />79) Two identical freight cars roll without friction (one at 1 m/s, the other at 2 m/s) toward one another on a level track. They collide, couple together, and roll away in the direction that<br />A) the slower car was initially going.<br />B) the faster car was initially going.<br />C) neither of these -- they stop.<br /><br />80) Two 5000-kg freight cars roll without friction (one at 1 m/s, the other at 2 m/s) toward one another on a level track. They collide, couple, and roll away together with a combined momentum of<br />A) zero. B) 5000 kg m/s. C) 10,000 kg m/s. D) 15,000 kg m/s.<br /><br />81) Two identical freight cars roll without friction towards each other on a level track. One rolls at 2 m/s and the other rolls at 1 m/s. After the cars collide, they couple and roll together with a speed of<br />A) 0.5 m/s.<br />B) 0.33 m/s.<br />C) 0.67 m/s.<br />D) 1.0 m/s.<br />E) none of these.<br /><br />82) Two 5000-kg freight cars roll without friction (one at 1 m/s, the other at 2 m/s) toward each other on a level track. Thus one car's kinetic energy is 2500 J and the other's is 10,000 J. Before they collide their total kinetic energy is<br />A) 1250 J. B) 2500 J. C) 7500 J. D) 10,000 J. E) 12,500 J.<br /><br />83) Two 5000-kg freight cars roll toward each other (one at 1 m/s, the other at 2 m/s) on a level track. Thus before they collide one car's kinetic energy is 2500 J and the other's is 10,000 J. After they collide (and couple together) their total kinetic energy is<br />A) 1250 J. B) 2500 J. C) 7500 J. D) 10,000 J. E) 12,500 J.<br /><br />84) Two 5000-kg freight cars roll toward one another (one at 1 m/s and the other at 2 m/s) on a level track. Thus before they collide one car's kinetic energy is 2500 J and the other's is 10,000 J. They collide and couple together. The amount of kinetic energy turned into heat (mostly warming the couplers) in the collision is<br />A) 1250 J. B) 2500 J. C) 7500 J. D) 10,000 J. E) 11,250 J.<br /><br />85) A 1-kg ball dropped from a height of 2 m rebounds only 1.5 m after hitting the ground. The amount of energy converted to heat is about<br />A) 0.5 J.<br />B) 1.0 J.<br />C) 1.5 J.<br />D) 2.0 J.<br />E) more than 2.0 J.<br /><br />86) A sandbag in outer space moves at 3 m/s and collides and sticks to a half-as-massive sandbag initially at rest. Compared to the kinetic energy of the moving bag before collision, the kinetic energy of the coupled bags after collision is<br />A) one third. B) two thirds.<br />C) three quarters. D) not enough information to say.<br /> </b></span></div>
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<tr><td style="margin: 0px; padding: 0px;"><span style="background-color: white;"><b>1) Answer: A<br />2) Answer: A<br />3) Answer: A<br />4) Answer: C<br />5) Answer: B<br />6) Answer: C<br />7) Answer: A<br />8) Answer: C<br />9) Answer: B<br />10) Answer: C<br />11) Answer: C<br />12) Answer: A<br />13) Answer: D<br />14) Answer: A<br />15) Answer: A<br />16) Answer: C<br />17) Answer: E<br />18) Answer: B<br />19) Answer: A<br />20) Answer: A </b></span></td><td style="margin: 0px; padding: 0px;"><span style="background-color: white;"><b>21) Answer: A<br />22) Answer: B<br />23) Answer: B<br />24) Answer: E<br />25) Answer: A<br />26) Answer: E<br />27) Answer: C<br />28) Answer: C<br />29) Answer: C<br />30) Answer: D<br />31) Answer: B<br />32) Answer: D<br />33) Answer: B<br />34) Answer: D<br />35) Answer: B<br />36) Answer: B<br />37) Answer: B<br />38) Answer: D<br />39) Answer: A<br />40) Answer: D </b></span></td><td style="margin: 0px; padding: 0px;"><span style="background-color: white;"><b>41) Answer: A<br />42) Answer: B<br />43) Answer: A<br />44) Answer: E<br />45) Answer: B<br />46) Answer: D<br />47) Answer: C<br />48) Answer: C<br />49) Answer: E<br />50) Answer: C<br />51) Answer: A<br />52) Answer: B<br />53) Answer: C<br />54) Answer: A<br />55) Answer: D<br />56) Answer: D<br />57) Answer: D<br />58) Answer: B<br />59) Answer: B<br />60) Answer: B </b></span></td><td style="margin: 0px; padding: 0px;"><span style="background-color: white;"><b>61) Answer: A<br />62) Answer: A<br />63) Answer: E<br />64) Answer: A<br />65) Answer: B<br />66) Answer: A<br />67) Answer: C<br />68) Answer: C<br />69) Answer: E<br />70) Answer: B<br />71) Answer: B<br />72) Answer: B<br />73) Answer: B<br />74) Answer: C<br />75) Answer: B<br />76) Answer: A<br />77) Answer: A<br />78) Answer: C<br />79) Answer: B<br />80) Answer: B</b></span></td><td style="margin: 0px; padding: 0px;"><span style="background-color: white;"><b>81) Answer: A<br />82) Answer: E<br />83) Answer: A<br />84) Answer: E<br />85) Answer: E<br />86) Answer: </b></span></td></tr>
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NEET UPDATEShttp://www.blogger.com/profile/09945663440906071676noreply@blogger.com0tag:blogger.com,1999:blog-7239460717822706040.post-52465779067581758292013-03-29T23:24:00.001-07:002013-03-30T02:43:47.366-07:00QUESTIONS FOR NEET MODEL-PHYSICS<div dir="ltr" style="text-align: left;" trbidi="on">
<b>EXAM IS CONDUCTED BY<span style="font-size: large;"> THE CENTRAL BOARD OF SECONDARY EDUCATION </span>WHO USED TO CONDUCT AIPMT EXAMS SO MODEL OF EXAM WILL BE MORE OR LESS SIMILAR TO AIPMT PRELIMS EXAMS..</b><br />
<b>WE SHARE HERE SAMPLE QUESTIONS IN PHYSICS</b><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjh-lc6p5trvpjXivXn1JYF8GEH8rHaMAss_BCejxzNN55KmEPz3TykiX6z5PWXiMZhTicODfqgxz-_SVG484Lp09DCS6E9qDZ55TZjJA-525zZA7fqQ6i8lelCkGyht9bdzeaOSxBQzsgi/s1600/ap+b+physics.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjh-lc6p5trvpjXivXn1JYF8GEH8rHaMAss_BCejxzNN55KmEPz3TykiX6z5PWXiMZhTicODfqgxz-_SVG484Lp09DCS6E9qDZ55TZjJA-525zZA7fqQ6i8lelCkGyht9bdzeaOSxBQzsgi/s320/ap+b+physics.jpg" width="320" /></a></div>
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1.</div>
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A ball rests upon a flat piece of paper on a table top. The paper is pulled horizontally but quickly towards right as shown. Relative to its initial position with respect to the table, the ball _____.</div>
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<img height="41" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image001.gif" width="181" /> </div>
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(a) remains stationary if there is no friction between the paper and the ball.</div>
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(b) moves to the left and starts rolling backwards, i.e. to the left if there is a friction between the paper and the ball.</div>
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(c) moves forward, i.e. in the direction in which the paper is pulled.</div>
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Here, the correct statement/s is/are _____ .</div>
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<b>(A) </b>only (a)</div>
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<b>(B) </b>only (b)</div>
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<b>(C) </b>both (a) and (b) physics questions</div>
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<b>(D) </b>only (c)</div>
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<b>Answer: (C)</b></div>
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2.</div>
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A boy throws a cricket ball from the boundary to the wicket-keeper. If the frictional force due to air cannot be ignored, the forces acting on the bal at a position X are represented by _____.</div>
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<img height="106" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image002.gif" width="372" /></div>
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<b>Answer: (A)</b></div>
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3.</div>
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A convex lens is made of 3 layers of glass of 3 different materials as in the figure. A point object is placed on its axis. The number of images of the object are</div>
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<b><img alt="convex lens" height="107" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image003.gif" width="83" /></b></div>
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<b>(A) </b>1</div>
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<b>(B) </b>2</div>
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<b>(C) </b>3</div>
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<b>(D) </b>4</div>
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<b>Answer: (A)</b></div>
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4.</div>
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A current I is flowing through the loop. The direction of the current and the shape of the loop are as shown in the figure. The magnetic field at the centre of the loop is <sub><img align="absmiddle" height="36" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image004.gif" width="26" /></sub> times______. (MA=R, MB=2R, <span style="font-family: Symbol;">ë</span>DMA:90°)</div>
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<img height="138" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image005.gif" width="153" /></div>
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<b> (A)</b> <sub><img align="absmiddle" height="36" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image006.gif" width="21" /></sub>, but out of the plane of the paper.</div>
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<b>(B) </b><sub><img align="absmiddle" height="36" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image006.gif" width="21" /></sub>, but into the plane of the paper.</div>
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<b>(C) </b><sub><img align="absmiddle" height="36" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image007.gif" width="21" /></sub>, but out of the plane of the paper.</div>
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<b>(D) </b><sub><img align="absmiddle" height="36" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image007.gif" width="21" /></sub>, but 1nto the plane of the paper.</div>
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<b>Answer: (B)</b></div>
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5.</div>
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A point object O is kept at a distance of OP = u. The radius of curvature of the spherical surface APB is CP = R. The refractive indexes of the media are n<sub>1</sub> and n<sub>2</sub> which are as shown in the diagram. Then,</div>
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<img height="166" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image008.gif" width="192" /></div>
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a) if n<sub>1</sub> > n<sub>2</sub>, image is virtual for all values of 'u'.</div>
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b) if n<sub>2</sub> = 2n<sub>1</sub>, image is virtual when R > u.</div>
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c) the image is real for all values of u, n<sub>1</sub> and n<sub>2</sub>.</div>
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Here, the correct statement/s is/are ______.</div>
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<b>(A) </b>only a)</div>
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<b>(B) </b>a), b) and c)</div>
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<b>(C) </b>only b)</div>
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<b>(D) </b>both a) and b)</div>
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<b>Answer: (D)</b></div>
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6.</div>
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A, B and C are the parallel sided transparent media of refractive index n<sub>1</sub>, n<sub>2</sub> and n<sub>3 </sub>respectively. They are arranged as shown in the figure. A ray is incident at an angle <span style="font-family: Symbol;">q</span> on the surface of separation of A and B which is as shown in the figure. After the refraction into the medium B, the ray grazes the surface of separation of the media B and C. Then, Sin <span style="font-family: Symbol;">q</span> = ______.</div>
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<img alt="parallel sided transparent media" height="137" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image009.gif" width="182" /></div>
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<b>(A) </b><sub><img align="absmiddle" height="40" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image010.gif" width="21" /></sub></div>
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<b>(B) </b><sub><img align="absmiddle" height="40" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image011.gif" width="21" /></sub></div>
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<b>(C) </b><sub><img align="absmiddle" height="40" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image012.gif" width="22" /></sub></div>
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<b>(D) </b><sub><img align="absmiddle" height="40" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image013.gif" width="22" /></sub></div>
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<b>Answer: (C)</b></div>
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7.</div>
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All capacitors used in the diagram are identical and each is of capacitance C. Then the effective capacitance between the points A and B is ______.</div>
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<img alt="identical capacitors" height="55" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image014.gif" width="352" /></div>
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<b>(A) </b>C</div>
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<b>(B) </b>3 C</div>
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<b>(C) </b>1.5C</div>
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<b>(D) </b>6 C</div>
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<b>Answer: (C)</b></div>
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8.</div>
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An electron enters the space between the plates of a charged capacitor as shown. The charge density on the plate is <span style="font-family: Symbol;">s</span>. Electric intensity in the space between the plates is E. A uniform magnetic field B also exists in that space perpendicular to the direction of E.</div>
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The electron moves perpendicular to both <sub><img align="absmiddle" height="20" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image015.gif" width="12" /></sub>and<b> <sub><img align="absmiddle" height="20" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image016.gif" width="12" /></sub></b>without any change in direction.</div>
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<br /></div>
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<img alt="charged capacitor" height="82" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image017.gif" width="180" /></div>
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<br /></div>
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The time taken by the electron to travel a distance l in that space is ______.</div>
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<b>(A) </b><sub><img align="absmiddle" height="36" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image018.gif" width="37" /></sub></div>
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<b>(B) </b><sub><img align="absmiddle" height="36" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image019.gif" width="29" /></sub></div>
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<b>(C) </b><sub><img align="absmiddle" height="40" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image020.gif" width="35" /></sub></div>
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<b>(D) </b><sub><img align="absmiddle" height="40" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image021.gif" width="29" /></sub></div>
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<b>Answer: (A)</b></div>
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9.</div>
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An ideal gas is taken via path ABCA as shown in figure. The network done in the whole cycle is</div>
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<img height="142" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image022.gif" width="138" /></div>
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<b>(A) </b>3P<sub>1 </sub>V<sub>1</sub></div>
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<b>(B) </b><span style="font-family: Symbol;">-</span>3 P<sub>1 </sub>V<sub>1</sub></div>
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<b>(C) </b>6 P<sub>1 </sub>V<sub>1</sub></div>
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<b>(D) </b>zero</div>
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<b>Answer: (B)</b></div>
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10.</div>
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Assume the graph of specific binding energy versus mass number is as shown in the figure. Using this graph, select the correct choice from the following :</div>
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<img alt="specific binding energy" height="156" src="http://www.questionpapers.net.in/question_papers/physics_questions/1_files/image023.gif" width="272" /></div>
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<b>(A) </b>Fusion of two nuclei of mass number lying in the range of 1 <A < 50 will release energy.</div>
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<b>(B) </b>Fission of the nucleus of mass number lying in the range of 100 < A < 200 will release energy when broken into two fragments.</div>
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<b>(C) </b>Fusion of two nuclei of mass number lying in the range of 100 < A < 200 will release energy.</div>
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<b>(D) </b>Fusion of two nuclei of mass number lying in the range of 51 < A < 100 will release energy.</div>
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<b>Answer: (D)</b></div>
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<ol type="1"><b>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A child pulls a toy car weighing 0.20 kg across a smooth floor by means of a string attached to it. If the string makes an angle of 60° to the floor and the child pulls with a force of 2.0 N, then the amount of work he does in pulling the car a distance of 5.0 m is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">5.0 J</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10.0 J</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">12.7 J</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">17.3 j</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The note middle C played on a piano always differs from middle C played on a violin because of a difference in...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">frequency</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">wavelength</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">fundamentals</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">harmonics</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">chromatic aberration of a lens is caused by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">diffraction</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">diffusion</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">dispersion</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">interference</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The molar gas constant is the same for all gases because, at the same pressure and temperature, equal volumes of gases have the same...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">number of molecules</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">average kinetic energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">density</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mass</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A Hall probe is used to determine...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the magnetic moment of a coil</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the susceptibility of a material</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">relative permittivity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">magnetic flux density</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In a nuclear fission reactor, graphite is often used for...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">absorbing neutrons and controlling the reaction</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">slowing down neutrons</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">preventing the radiation from escaping into atmosphere</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">all the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In a Newton's rings experiment, the thickness of the air space between the lens and the glass plate is 1.8 x 10<sup>-6</sup> m for the sixth dark ring. The wavelength of the light used is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.7 x 10<sup>-8</sup> m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.0 x 10<sup>-7</sup> m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6.0 x 10<sup>-7</sup> m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6.0 x 10<sup>-5</sup> m</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If α denotes the current gain of a transistor in the common-base mode of operation and β denotes the current gain in the common-emitter mode, then α and β are related by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">α = β/(1 + β)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">α = (1 + β)/β</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">α = (1 - β)/β</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">β = (1 + α)/α</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A certain metal has a work function of 2 eV. Taking Planck's constant h = 6.6 x 10<sup>24</sup> J.s, charge on electron e = 1.6 x 10<sup>-19</sup> C and velocity of light C = 3 x 10<sup>8</sup> m/s, what is its approximate threshold frequency?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">5 x 10<sup>13</sup> Hz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">5 x 10<sup>14</sup> Hz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">5 x 10<sup>15</sup> Hz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2 x 10<sup>15</sup> Hz</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A monoatomic gas is allowed to expand adiabatically until its volume is eight times greater. Compared to the original pressure, the new pressure must be smaller by a factor of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">4</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">8</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">16</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">32</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">During a negative β-decay...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">an atomic electron is ejected</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">an electron which is already present within the nucleus is ejected</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a neutron in the nucleus decays emitting an electron</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a part of the binding energy of the nucleus is converted into an electron</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A parallel plate capacitor is charged and the charging battery is then disconnected. If the plates of the capacitor are moved farther apart by means of insulating handles...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the charge on the capacitor increases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the voltage across the plates increases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the capacitance increases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the electrostatic energy stored in the capacitor increases</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two bodies M and N of equal masses are suspended from two separate massless springs of spring constants K<sub>1</sub> and K<sub>2</sub>, respectively. If the two bodies oscillate vertically such that their maximum velocities are equal, then the ratio of the amplitude of vibration of M to that of N is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">K<sub>1</sub>/K<sub>2</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√(K<sub>1</sub>/K<sub>2</sub>)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">K<sub>2</sub>/K<sub>1</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√(K<sub>2</sub>/K<sub>1</sub>)</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two coherent monochromatic light beams of intensities I and 4I are superimposed. The maximum and minimum intensities in the resulting beam are...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">5I, I</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">5I, 3I</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">9I, I</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">9I, 3I</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A vessel contains oil (density = 0.8 g/cm<sup>3</sup>) over mercury (density = 13.6 g/cm<sup>3</sup>). A homogeneous sphere floats with half its volume immersed in mercury and other half in oil.The density of the material of the sphere in g/cm<sup>3</sup> is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.3</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6.4</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">7.2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">12.8</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">An organ pipe P<sup>1</sup> closed at one end vibrating in its first harmonic and another pipe P<sup>2</sup> open at both ends vibrating in its third harmonic are in resonance with a given tuning fork. The ratio of the length of P<sup>1</sup> to that of P<sup>2</sup> is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">8 : 3</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 : 8</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1 : 2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1 : 3</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two particles x and y have equal charges, after being accelerated through the same potential difference, enter a region of uniform magnetic field and describe circular paths of radii R<sub>1</sub> and R<sub>2</sub>, respectively. The ratio of the mass of x to that of y is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">(R<sub>1</sub>/R<sub>2</sub>)<sup>1/2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">R<sub>2</sub>/R<sub>1</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(R<sub>1</sub>/R<sub>2</sub>)<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">R<sub>1</sub>/R<sub>2</sub></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A feably prepared radioactive source of half life 2 h emits radiation of intensity which is 64 times the permissible safe level. The minimum time after which it would be possible to work safely with this source is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">6 h</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">12 h</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">24 h</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">128 h</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A nuclear bomb explodes 200 km above the surface of moon. The sound of explosion on the moon will...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">be heard before the flash of explosion is seen</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">be heard at the same time explosion occurs</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">be heard after the explosion</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">not be heard at all</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A blue colour star is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">hotter than white star</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">cooler than white star</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">at the same temperature as white star</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">at 0 K temperature</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The position of a particle at time t is √ x = 10 + t, then...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">velocity is constant</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">velocity α t</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">acceleration α t</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">acceleration is zero</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The maximum height and range of a projectile are equal when the angle of projection is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">45</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">60</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">tan<sup>-1</sup> (1/4)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">tan<sup>-1</sup> 4</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A force of 140 N acts on a body of mass 100 kg. If the frictional force is 40 N, then the acceleration of the body is ______ m/s<sup>2</sup><br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">180</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">18</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.8</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The work done by centripetal force(F) on a particle of mass m moving round a circle of radius r with a uniform sped of v is<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">F x r</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">F x 2πr</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">F x v</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When a sphere rolls without slipping the ratio of translational kinetic energy to total kinetic energy is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 : 7</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1 : 1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">7 : 5</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">5 : 7</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When a satellite revolves round the earth in an orbit very close to earth its orbital velocity is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">11.2 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">11.2 km/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">8 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">8 km/s</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The diameter of a water molecule is _____ A°.<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.5</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">To produce longitudinal extension we should exert force in...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">one direction only</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">two directions</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">perpendicular to the body in all directions</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">parallel to the body</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A metal sphere has a spherical cavity in it. When the ball is heated the volume of cavity will...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">increase</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">decrease</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">not change</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">depend on mass of sphere</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A weightless spring of force constant 5 N/m is cut into two equal halves and the two are connected in parallel. The equivalent force constant of the system in N/m is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">5</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">15</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">20</li>
</ol>
</li>
</b></ol>
<b>
</b>
<div style="clear: both;">
</div>
</div>
</div>
</div>
</div>
</div>
<div class="date-outer">
<div class="date-posts">
<div class="post-outer">
<div class="post hentry uncustomized-post-template" itemprop="blogPost" itemscope="itemscope" itemtype="http://schema.org/BlogPosting" style="margin: 0px 0px 25px; min-height: 0px; position: relative;">
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<b></b><br />
<ol type="1"><b><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">For an object performing SHM the magnitude of maximum velocity is given by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">ω √(A<sup>2</sup> - y<sup>2</sup>)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ω √(y<sup>2</sup> - A<sup>2</sup>)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ωA</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ω<sup>2</sup>A</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The reciprocal of wavelength is called...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">frequency</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">wave velocity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">amplitude</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">wave number</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">______ is for rotational motion as mass is for linear motion.<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">mass</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">torque</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">moment of inertia</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">inertia</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If m is the mass of a planet, r is radius of its orbit, ω is the angular velocity and v is its linear velocity, then the force acting on planet is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">mrv<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mr<sup>2</sup>V<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mrω<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mr<sup>2</sup>ω<sup>2</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In a fuel cell the conversion of chemical energy into electrical energy takes place...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">at both electrodes</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">at the anode only</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">at the cathode only</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">in the electrolyte</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following is not the unit of magnetic flux?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">weber</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">tesla-m<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">m<sup>2</sup>kgs<sup>-1</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">henry</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Impulse is equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">momentum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">change in momentum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">change in momentum per unit time</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">change in momentum per unit mass</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1 kWh is equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">746 W</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.6 x 10<sup>6</sup> J</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.6 hp</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">746 kW</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The atomic mass of copper is 64 and its density is 9.0 g/cm<sup>3</sup>. The volume of one mole of atoms of copper is _____ g/cm<sup>3</sup>.<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">6.023 x 10<sup>23</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(6.023 x 9 x 10<sup>23</sup>)/64</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(6.023 x 64 x 10<sup>23</sup>)/9</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">64/9</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Young's modulus for aluminium is 7 x 10<sup>10</sup> Pa. The force needed to stretch, an aluminium wire with 2 mm diameter and 800 mm length, by 1 mm is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">2.75 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">275 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.10 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">275 kN</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The MKS unit of coefficient of viscosity is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">poise</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">centipoise</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Pa second<sup>-1</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Pa second</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Electric charge is quantized. This means that the electric charge...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">is not continuous</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">is continuous</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">is constant</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">has mass</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A 2 kg ball moves with a speed of 8 m/s and collides with a 4 kg ball moving in the same direction with a speed of 2 m/s. After the collision, the heavier ball has a speed of 5 m/s. The collision results in a decrease in the total kinetic energy of translation of two balls of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0 J</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6 J</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">12 J</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">18 j</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The result of combining two mutually perpendicular vibrations was first extensively studied by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Huygens</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Lissajon</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Sabine</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Newton</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">On a sunny day you may see very bright lines formed on the bottom of a swimming pool. The prime cause of these is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">absorption</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">diffraction</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">interference</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">refraction</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A piece of glass which has been heated to a high temperature is left to cool. If the glass cracks, it will most likely be because of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">low thermal conductivity of glass</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">high thermal conductivity of glass</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">low specific heat capacity of glass</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">high specific heat capacity of glass</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The charge to mass ratio of an electron is about 1.8 x 10<sup>11</sup> C kg<sup>-1</sup>. In a certain television tube, where the accelerating voltage is 1600V, the electrons have a speed just before striking the screen of approximately...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">16000 kms<sup>-1</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">20000 kms<sup>-1</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">24000 kms<sup>-1</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">28000 kms<sup>-1</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A mass spectrometer may be used to distinguish between...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">different elements</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">different isotopes</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">identical isotopes bearing different charge</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">all of the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If a train is to move with velocity of light, its length would be<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">infinite</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">unchanged</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">half the original</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A radio-station broadcasts at 30 m band. The frequency of electromagnetic waves transmitted from this station could be...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">10 MHz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10 kHz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 x 10<sup>10</sup> Hz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">11 x 10<sup>11</sup> Hz</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The energy generation in stars is due to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">fusion of heavy nuclei</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">fusion of light nuclei</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">chemical reaction</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">fission of heavy nuclei</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two resistances are joined in parallel whose resultant is 6/5 ohm. One of the resistance wires is broken and the effective resistance becomes 2 ohm. The resistance in ohm of the wire that got broken is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3/5</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6/5</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When the distance between a source and a cliff is 'd', the time taken to hear the first echo of sound with velocity 'V' is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">V.d</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2V/d</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2d/V</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">d/V</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following pairs of physical quantities have the same unit?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Force and power</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Stress and strain</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Young's modulus and pressure</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Coefficient of viscosity and surface tension</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The area enclosed by the displacement-time graph of a body thrown in air gives...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">average speed</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">average velocity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">acceleration</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">no significant physical quantity</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A particle is moving eastwards with a velocity of 5 m/s. In 10 seconds the velocity changes to 5 m/s northwards. The average acceleration in this time is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(1/√ 2) m/s<sup>2</sup> towards northwest</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(1/√ 2) m/s<sup>2</sup> towards northeast</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(1/2) m/s<sup>2</sup> towards northwest</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Swimming becomes possible because of _____ law of motion.<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">First</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Second</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Third</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none of the three</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A thin film of liquid is enclosed between two glass plates. It is difficult to separate the plates on account of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Viscosity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Surface tension</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Friction</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Atmospheric pressure</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The highest temperature that can be recorded by a mercury thermometer is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">100°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">157°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">257°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">357°C</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A tuning fork originally in unison with another fork of frequency 260 Hz, produces 4 beats per second, when a little wax is attached to it. What is the frequency now?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">260 Hz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">264 Hz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">256 Hz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">262 Hz</li>
</ol>
</li>
</b></ol>
<b>
</b>
<div style="clear: both;">
</div>
</div>
</div>
</div>
</div>
</div>
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<div class="post hentry uncustomized-post-template" itemprop="blogPost" itemscope="itemscope" itemtype="http://schema.org/BlogPosting" style="margin: 0px 0px 25px; min-height: 0px; position: relative;">
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<b></b><br />
<ol type="1"><b><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">A toy for firing a ball vertically consists of a spring which is compressed 0.10 m by an average force of 5.0 N. If a ball of mass 0.05 kg is placed on the spring and the spring released, the ball will reach a height of ...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.0 m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.2 m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.4 m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.6 m</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A horizontal rope is fixed at one end. The other end is held in the hand and a wave motion is generated by moving the hand up and down repeatedly. A stationary wave is formed and it is observed that a small piece of ribbon tied to the rope is about half way between a node and an adjacent antinode. The movement of the ribbon is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">up and down</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">back and forth</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a combination of A & B</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">impossible to determine</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In an astronomical telescope, the objective lens forms an image that is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">real and erect</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">real and inverted</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">virtual and erect</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">virtual and inverted</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The specific latent heat of vaporisation of water is 2.3 x 10<sup>6</sup> J/kg. The percentage of this energy that is necessary to overcome atmospheric pressure is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">between 0 and 50%</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">50%</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">between 50 and 100%</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The electron-volt is a measure of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">charge</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">current</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">potential</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">energy</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In which of the following units could Planck's constant be expressed?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">joule</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">joule-hertz</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">joule-second</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">newton-second</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The capacitance of a parallel plate capacitor would be decreased by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">increasing the separation of the plates</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">increasing the area of overlap of the plates</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">replacing the air between the plates by paper</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">replacing the air between the plates by mica</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two light sources have exactly the same frequency and are always exactly out of step with each other. This is an example of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">phase reversal</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Huygen's principle</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">coherence</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">destructive interference</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two bodies of mass m<sub>1</sub> and m<sub>2</sub> are moving with equal kinetic energy.The ratio of their linear momentum P<sub>1</sub> : P<sub>2</sub> is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">m<sub>1</sub> : m<sub>2</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">m<sub>2</sub> : m<sub>1</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">m<sub>1</sub><sup>2</sup> : m<sub>2</sub><sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√m<sub>1</sub> : √m<sub>2</sub></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The force required to make the length of a wire three times its original length is ____ when the area of cross-section is unity and Y is the Young's modulus.<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">2Y</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3Y</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Y</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Y/2</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The first law of thermodynamics is a special case of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">law of conservation of momentum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">law of conservation of energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Boyle's law</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Charles' law</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If the velocity of sound in air at 0°C is 300 m/s, at what temperature will the velocity be 400 m/s?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">330°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">485°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">674°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1000°C</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A ray of light incident on a 60° angled prism of refractive index √ 2, suffers minimum deviation. The angle of incidence is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">75°</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0°</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">45°</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">60°</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two equal negative charges(-q) are fixed at two points (0,a) and (0,-a) on the Y-axis. A positive charge q is released from rest at the point (2a,0) on the X-axis. The charge q will...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">execute SHM about the origin</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">move to the origin and remain at rest</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">move to infinity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">execute oscillatory motion but not SHM.</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Ball-point pen functions on the principle of<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">viscosity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Boyle's law</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">gravitational force</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">surface tension</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A soap bubble has a radius of 3 cm. The surface tension of soap solution is 1.5 x 10<sup>-2</sup> N/m. The excess of pressure (in N/m<sup>2</sup>) is equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.5 x 10<sup>-2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.0 x 10<sup>-2</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In case of a prism, the angle of deviation is greater for...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">violet</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">red</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">blue</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">green</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A piece of copper and another of germanium are cooled from room temperature to 80K. The resistance of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">each of them increases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">each of them decreases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">copper increases and germanium decreases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">copper decreases and germanium increases</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following is always attractive?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Strong force</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Electrostatic force</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Magnetic force</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">None of the three</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A non-conservative force does not give rise to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">thermal energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">kinetic energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">light energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">potential energy</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If E<sub>A</sub> is the energy required for the equilibrium separation of two hydrogen atoms in a molecule of hydrogen and E<sub>M</sub> is the energy required for the equilibrium separation of two molecules of hydrogen, then...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">E<sub>A</sub> = E<sub>M</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">E<sub>A</sub> = E<sub>M</sub>/(√ 2)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">E<sub>A</sub> > E<sub>M</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">E<sub>A</sub> < E<sub>M</sub></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When pressure of 2.0 MPa is applied to a sample of kerosene, it contracts by 15%. The bulk modulus of kerosene is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.7 MPa</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.997 MPa</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2.003 MPa</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.3 GPa</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A wetting agent...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">reduces angle of contact</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">increases angle of contact</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">increases surface tension</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">increases surface area</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When a slab of insulating material is introduced in a capacitor, its capacitance<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">becomes zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">decreases considerably</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">increases considerably</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">does not change</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">For a constant-length pendulum, the periodic time depends on<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">amplitude</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">length</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mass of pendulum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">'g'</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The amplitude of a sound wave determines its...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">pitch</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">loudness</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">overtones</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">resonance</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The value of 'g' at pole is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">greater than that at the equator</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">smaller than that at the equator</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">equal to that at the equator</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following engines is the most efficient?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">gasoline</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">diesel</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">gas turbine</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Carnot</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A 50-V battery is connected across a 10-ohm resistor and a current of 4.5 A flows. The internal resistance of the battery is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.5 ohm</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.1 ohm</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">5 ohm</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In an LCR series circuit Q-factor is given by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/√LC</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√(L/C)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(1/R).√(L/C)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">R/(√LC)</li>
</ol>
</li>
</b></ol>
<b>
</b>
<div style="clear: both;">
</div>
</div>
</div>
</div>
</div>
</div>
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<div class="date-posts">
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<div class="post hentry uncustomized-post-template" itemprop="blogPost" itemscope="itemscope" itemtype="http://schema.org/BlogPosting" style="margin: 0px 0px 25px; min-height: 0px; position: relative;">
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<b></b><br />
<ol type="1"><b><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">The error in measuring the radius of a sphere is 2%. Then the error in the measurement of its volume is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">8%</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6%</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2%</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">9%</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A magician is throwing rings into air in such a way that when a ring is at its maximum height he throws another ring. If the time difference between each throw is 1 sec then the height attained by the ring is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">49 m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">49 cm</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">9.8 m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">4.9 m</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If the mass and force are doubled then the acceleration will...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">double</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">become thrice</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">become four times</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">remain same as before</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A string is tied to the neck of a bottle containing soda water and then whirled in a vertical circle. The bubbles will be found...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">near the neck</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">at the bottom</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">at the centre</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">everywhere in the bottle</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If the absolute temperature of a gas is doubled, then V<sub>rms</sub> will become<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">2 times</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√ 2 times</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/2 times</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">4 times</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When the temperature of a black body is lowered to half its original value then the amount of heat radiated will be reduced to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/4</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/8</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/16</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A shell is fired from a cannon with a velocity V at an angle θ with the horizontal direction. At the highest point in its path it explodes into two pieces of equal mass. One of the pieces retraces its path to the cannon then the speed of the other immediately after the explosion is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">3Vcosθ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2Vcosθ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(√ 3)Vcosθ/2 </li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">X-rays have energy of the order of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">10 eV</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10<sup>6</sup> eV</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">infinity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In Rutherford model of the atom, the path of an electron will be...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">a straight line</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">parabolic</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">circular</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">spiral</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A double concave lens of glass, placed in a liquid of refractive index 2, will behave as...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">diverging lens</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">concave mirror</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">converging lens</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none of the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Megawattday is the unit of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">power</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">force</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">density</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A particle executes SHM with its frequency f. The frequency with which its kinetic energy oscillates is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">f/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">f</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2f</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">4f</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If the acceleration due to gravity,g, is about 10 m/s<sup>2</sup> near the surface of the earth, then at the centre of the earth g would have an approximate value of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">5 m/s<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10 m/s<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">20 m/s<sup>2</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A tuning fork vibrates at a frequency of f Hz. It is viewed through a stroboscopic disc having four equally spaced slots in it. In order for the vibrating tuning fork to appear stationary, the minimum number of revolutions per second at which the disc should be rotated is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">f/8</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">f/4</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">f/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">f</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following materials has the greatest relative permittivity?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Air</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Glass</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Mica</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Water</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The distance between two consecutive antinodes is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">λ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">λ/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">λ/3</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">λ/4</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">For an object below the earth's surface, if the distance of the object from earth's centre is 'd', then the acceleration due to gravity is proportional to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">d</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">d<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/d</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/d<sup>2</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A type of process that does not need outside energy to reverse is one that occurs at constant...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">pressure</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">volume</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">speed</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following combinations of length(l) and cross-sectional area(A) will give a certain volume of copper the least resistance?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">l and A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2l and A/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">l/2 and 2A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Inside a solenoid, the magnetic field...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">is uniform</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">increases with distance from the axis</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">decreases with distance from the axis</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When the voltage are in phase in an a.c. circuit...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">impedance is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">reactance is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">resistance is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">phase angle is 90°</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The distance between two consecutive bright fringes increases as...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the wavelength increases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the frequency increases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the wavelength decreases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the separation of two sources increases</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Photoelectric effect can be explained on the basis of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the wave theory of light</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the theory of relativity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the theory of black-body radiation</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none of the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Acoustics is the branch of physics studying...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">light</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">heat</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">sound</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">motion of planets</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The prefix 'pico' represents...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">10<sup>-9</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10<sup>-12</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10<sup>9</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10<sup>12</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The unit vector in the same direction as(-3i + 4j) is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">(-3/5)i + (4/5)j</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">-i + j</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3i - 4j</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(-1/3)i + (1/4)j</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">An 800-kg car moving at 80 kmph overtakes a 1200-kg car moving at 40 kmph in the same direction. If the two cars stick together,the wreckage has an initial speed of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">8 kmph</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">40 kmph</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">56 kmph</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">60 kmph</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">For a fixed mass of gas in an isothermal process, the plot of V→(1/p) is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">a straight line</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a parabola</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a nonparabolic curve</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a hyperbolic curve</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When a vapour condenses into liquid...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">it absorbs heat</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">it volves heat</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">its temperature rises</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">its temperature falls</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">For a rectangular glass slab, the entering ray and the emerging ray...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">are parallel</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">form a right angle</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">form an acute angle</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">form an obtuse angle</li>
</ol>
</li>
</b></ol>
<b>
</b>
<div style="clear: both;">
</div>
</div>
</div>
</div>
<div class="post-outer">
<div class="post hentry uncustomized-post-template" itemprop="blogPost" itemscope="itemscope" itemtype="http://schema.org/BlogPosting" style="margin: 0px 0px 25px; min-height: 0px; position: relative;">
<div class="post-body entry-content" id="post-body-376126824999165081" itemprop="description articleBody" style="font-size: 15px; line-height: 1.4; position: relative; width: 520px;">
<b></b><br />
<ol type="1"><b><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Any motion along a trajectory distinct from a straight line is a motion with...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">constant velocity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">changing velocity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero acceleration</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">changing acceleration</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">An object that has momentum must also have...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">acceleration</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">impulse</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">kinetic energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">potential energy</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The dimensions of strain are...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">ML<sup>-1</sup>T<sup>-2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ML<sup>-1</sup>T<sup>-1</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">M<sup>0</sup>L<sup>-1</sup>T<sup>-2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">M<sup>0</sup>L<sup>0</sup>T<sup>0</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When the velocity of the molecules is zero, the temperature is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">273 K</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">-273°C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">-273 K</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The potential energy of a charged capacitor(charge=Q, potential difference=V, capacitance=C) is not represented by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">QV/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">CV<sup>2</sup>/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Q<sup>2</sup>/2C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">CQ<sup>2</sup>/2 </li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When light passes from vacuum into a medium A, the value of the constant in Snell's law is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the absolute refractive index of A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the absolute refractive index of vacuum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Sun's distance from the earth is equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1 AU</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2 AU</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">14 AU</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√ 2 AU</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">For an object performing SHM, phase angle is the quantity represented by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">2πf</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2πft</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2πfT</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2πf/T </li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The speed needed to put a satellite in orbit does not depend on...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the radius of the orbit</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the shape of the orbit</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the value of 'g' at the orbit</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the mass of the satellite</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In an adiabatic process, what does not change is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">pressure</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">volume</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none of the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Inductance is an opposition to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">increasing current</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">decreasing current</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">both increasing current and decreasing current</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">anything but current</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The voltage lags behind the current by 1/4 cycle in...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">a pure capacitor</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a pure inductor</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a pure resistor</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a circuit with capacitance and inductance</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If the distance between two slits and the distance between the slits and the screen are constant, then the fringe spacing is proportional to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">λ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/λ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√λ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/√λ</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If V<sub>0</sub> is the stopping potential, f the frequency of radiation and W<sub>0</sub>is the work function of metal, then (V<sub>0</sub> + W<sub>0</sub>) is equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">hf</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">h/e</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">hf/e</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">f<sub>0</sub></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The element whose nuclei contain the most tightly bound nucleons is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">He</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Fe</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">U</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">An object weighing 0.10 kg is to be swung in a vertical circle of diameter 0.8 m. The minimum velocity needed would be...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">2.0 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.0 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">4.0 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2√ 5 m/s</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Light is incident upon a rectangular glass block at the polarizing angle. The fraction of light reflected as plane polarized light will be about...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10%</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">50%</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">100%</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A lead bullet at 300 K is fired with the speed of 300 m/s. If the specific heat capacity of lead is 130 J/(kg K), then upon impact its temperature will reach a maximum value of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">636 K</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">646 K</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">666 K</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">676 K</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A particle left no tracks in a cloud chamber, did not register on a Geiger-Muller tube and failed to make a zinc sulphide screen glow. It was most likely...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">an electron</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a proton</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a neutron</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">an alpha particle</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A fuse is rated at 10 A. In an A.C. circuit, the maximum instantaneous current it could handle would be about...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">7 A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10 A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">14 A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">20 A</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1 micro curie = ______ Bacqueral<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.7 x 10<sup>10</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.7 x 10<sup>7</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3.7 x 10<sup>4</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">10<sup>6</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration is given by a<sub>c</sub> = k<sup>2</sup>rt<sup>2</sup> (k = constant). The power delivered to the particle by the force acting on it is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">2πmk<sup>2</sup>r<sup>2</sup>t</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mk<sup>2</sup>r<sup>2</sup>t</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mk<sup>4</sup>r<sup>2</sup>t<sup>5</sup>/3</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A ship of mass 3 x 10<sup>7</sup> kg initially at rest is pulled by a force of 5 x 10<sup>4</sup> N through a distance of 3 m. Assuming that the resistance due to water is negligible, the speed of the ship is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.5 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">60 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.1 m/s</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">5 m/s</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The buoyancy depends on<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the depth to which the body is immersed</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the shape of the body</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the mass of the body</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the mass of the liquid displaced</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Steam at 100°C is passed into 1.1 kg of water contained in a calorimeter with water equivalent 0.02 kg at 15°C till the temperature of the calorimeter and its content rises to 80°C. The mass of the steam condensed in kg is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.130</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.065</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.260</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.135</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The sound waves that propagate in a metal bar may be...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">longitudinal</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">transverse</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">torsional</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">either longitudinal or transverse</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The fraction of available volume which is filled in case of hexagonal close-packing structure is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.5</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.74</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.32</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.90</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A photoelectric cell converts...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">electrical energy into light energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">light energy into electrical energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">light energy into sound energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">light energy into heat energy.</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The sensitiveness of a moving-coil galvanometer can be increased by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">increasing the number of turns of the coil</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">decreasing the number of turns of the coil</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">decreasing the area of the coil</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none of the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If a star emitting yellow light starts moving towards the earth, its colour as seen from the earth will...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">turn gradually red</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">turn gradually blue</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">remain yellow</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">turn bright yellow</li>
</ol>
</li>
</b></ol>
<b>
</b>
<div style="clear: both;">
</div>
</div>
</div>
</div>
</div>
</div>
<div class="date-outer">
<div class="date-posts">
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<div class="post hentry uncustomized-post-template" itemprop="blogPost" itemscope="itemscope" itemtype="http://schema.org/BlogPosting" style="margin: 0px 0px 25px; min-height: 0px; position: relative;">
<div class="post-body entry-content" id="post-body-6322693911607929493" itemprop="description articleBody" style="font-size: 15px; line-height: 1.4; position: relative; width: 520px;">
<b></b><br />
<ol type="1"><b><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">A current of 5 A passes along a wire of length 1.0 m. the wire is at right angles to a magnetic field of flux density of 0.15 T. The force acting on the wire is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.03 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.75 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">33 N</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The end product of most radioactive decay series is usually some form of<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">carbon</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">helium</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">hydrogen</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">lead</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The cause of surface tension is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">adhesive forces</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">cohesive forces</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">external forces</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">gravitational force</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The unit 'poise' is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">dyne.sec/cm<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">dyne.cm/sec<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">newton.sec/m<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">dyne.sec/cm</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Emission line spectrum will be obtained from...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">candle flame</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">sodium lamp</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Sun</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">white hot filament of an electric bulb</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A hollow insulated brass sphere is positively charged. The electric potential inside the sphere is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">greater than the potential at the surface</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">smaller than the potential at the surface</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the same as that on the surface</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The linear momentum of a body is P = a + (bt<sup>2</sup>/2). The force acting on the body is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">a + (bt/2)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a + bt</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">bt/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">bt</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The weight of a body on the surface of earth is 100 N. Its weight at a depth half way to the centre of earth will be...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">50 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">100 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">25 N</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">125 N</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two wires C and D of the length in the ratio 2 : 3, diameter in the ratio 2 : 3 and of the same material, are subjected to same force. Then the ratio of their extentions l<sub>c</sub> : l<sub>d</sub> is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 : 2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2 : 3</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">4 : 9</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">8 : 27</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The potential energy of a harmonic oscillator is maximum when the displacement is equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/2 amplitude</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">amplitude</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/4 amplitude</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When the forces acting on a body are in equilibrium, its...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">velocity is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">displacement is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">acceleration is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">momentum is zero</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">An object at rest may possess...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">velocity</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">momentum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">kinetic energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">potential energy</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A nonconservative force does not give rise to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">thermal energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">kinetic energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">light energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">potential energy</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Atoms forming a molecule attain the arrangement in which they obtain...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero potential energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">minimum potential energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">maximum potential energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none of the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Bulk modulus of a liquid is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">higher than that for a solid</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">higher than that for a gas</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">lower than that for a gas</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The CGS unit of coefficient of viscosity is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">dyne.second/cm<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">newton.second/cm<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">dyne.(second)<sup>2</sup>/cm<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">newton.second/cm</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The volume of a gas sample is directly proportional to its...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Fahrenheit temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Celsius temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Kelvin temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">pressure</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The approximate relationship between the coefficient of linear expansion(α) and the coefficient of cubical expansion(γ) is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">γ = α<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">γ = α<sup>3</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">α = 3 γ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">γ = 3 α</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">When capacitors are in parallel...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">they are all at the same potential</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">they are at different potentials</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">their capacitances are equal</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the equivalent capacitance is zero</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The earth's magnetic field at sea level is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 x 10<sup>-9</sup> T</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 x 10<sup>9</sup> T</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 x 10<sup>-5</sup> T</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 x 10<sup>5</sup> T</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Monoatomic gases give...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">line spectra</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">band spectra</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">continuous spectra</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">line and band spectra</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The centre of mass of a rigid body...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">lies inside the body</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">lies outside the body</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">can be inside or outside of the body</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">may not exist</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If 'l' is the length of a simple pendulum and 'T' its period, then 'g' is given by...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">(4π<sup>2</sup>l)/T<sup>2</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2π/(√ l/t)</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2πl/t</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">(4πl<sup>2</sup>)/t<sup>2</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The rate at which an object radiates electromagnetic energy does not depend on its...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">surface area</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mass</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ability to absorb radiation</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following is neither a basic physical law nor derivable from one?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">Coulomb's law</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Ohm's law</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Kirchhoff's first law</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Kirchhoff's second law</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The power dissipated as heat in an a.c. circuit depends on its...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">resistance</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">inductive reactance</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">capacitive reactance</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">impedance</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Impedance is a maximum at resonance in...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">a series RLC circuit</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a parallel RLC circuit</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">all RLC circuits</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">no RLC circuit</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Red shift indicates...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">recession of star</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">approaching movement of star</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">that red light changes to violet</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">that violet light changes to red</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The penetration power of beta particles is 1. Then the relative penetration power of gamma rays is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">100</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1/1000</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1000</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In a common-base circuit the current gain is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">greater than 1</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">smaller than 1</li>
</ol>
</li>
</b></ol>
<b>
</b>
<div style="clear: both;">
</div>
</div>
</div>
</div>
</div>
</div>
<div class="date-outer">
<div class="date-posts">
<div class="post-outer">
<div class="post hentry uncustomized-post-template" itemprop="blogPost" itemscope="itemscope" itemtype="http://schema.org/BlogPosting" style="margin: 0px 0px 25px; min-height: 0px; position: relative;">
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<b></b><br />
<ol type="1"><b><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">The equation applicable in the adiabatic process of n mole ideal gas is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">ΔU = nC<sub>p</sub>ΔT</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ΔU = nC<sub>v</sub>ΔT</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ΔQ = nC<sub>v</sub>ΔT</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ΔQ = nC<sub>p</sub>ΔT</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">In a Carnot's engine, the working substance is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">ideal gas</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">steam</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">petrol</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">CO<sub>2</sub></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Two particles A and b initially at rest, move towards each other under a mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2v, the speed of centre of mass of the system is<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">v</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.5v</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3v</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Imagine a light planet revolving around a very massive star in a circular orbit of radius R with a period of revolution T. The gravitational force of attraction between the planet and the star is proportional to R<sup>(-5/2)</sup>, then T<sup>2</sup> is proportional to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">R<sup>3</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">R<sup>(7/2)</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">R<sup>(3/2)</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">R<sup>3.75</sup></li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Electrical conductivity increases with the increase in temperature of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">P-type semiconductor</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">N-type semiconductor</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">intrinsic semiconductor</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Amount of charge in coulomb required to deposit one gram equivalent of substance by electrolysis is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">96500</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">48 x 10<sup>-10</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6 x 10<sup>24</sup></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">9600</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A camera lens is adjusted to f/4 and has an effective diameter of 2.0 cm. Its focal length is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.2 cm</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">1.6 cm</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2.0 cm</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">8.0 cm</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The self inductance of a long solenoid is directly affected by changes in all but...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the number of turns</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the current</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the area of cross section</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the relative permeability of the core</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Which of the following is not the unit of energy ?<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">joule</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">erg</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">newton.metre</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">dyne</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">All collisions conserve...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">kinetic energy</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">momentum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">both kinetic energy and momentum</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">neither of kinetic energy and momentum</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If a rocket of initial mass m is to rise from its launching pad, its initial thrust must exceed...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">mg/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mg</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2mg</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mg<sup>2</sup>/2</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">9 gram of water contains approximately...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">6 x 10<sup>23</sup> molecules of water</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6 x 10<sup>23</sup> atoms of oxygen</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">6 x 10<sup>23</sup> atoms of hydrogen</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">3 x 10<sup>23</sup> atoms of hydrogen</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A cable can support a maximum load of W without exceeding the elastic limit. If it is replaced by a cable of same material but half as long and half the diameter, the elastic limit will not be exceeded by the new cable up to a load of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">W/4</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">W/2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">W</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2W</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Surface tension does not depend on...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">surface area</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the type of liquid</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">medium in contact with the liquid</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">-40° F is equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">-40° C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">-8° C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">-72° C</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">-104° C</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The magnitude of the field within a conductor...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">depends on the shape of the conductor</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">is always zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">is always positive</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">may be zero or positive</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A permanent magnet does not exert force on...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">an unmagnetized iron bar</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a magnetized iron bar</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a stationary electric charge</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">a moving electric charge</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A primary rainbow cannot be seen by an observer looking up if the altitude of the Sun exceeds...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">10°</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">20°</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">22.5°</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">40°</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">According to the descending order of temperature the stars are classified in to the orders O,B,A,F,G,K and M. Our Sun comes in the order...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">B</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">G</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">K</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Position of the centre of mass of a rigid body depends on...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">its shape only</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">distribution of its matter only</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">both its shape and distribution of matter</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">its position relative to the earth.</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Force is to linear motion as _____ is to rotational motion.<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">acceleration</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">torque</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">moment of inertia</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">angular momentum</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A hole is drilled to the centre of the earth and a stone is dropped in to it. When the stone is at the earth's centre, compared to the values at the earth's surface...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">its mass and weight both change</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">its mass and weight both are zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">its mass is unchanged and its weight is zero</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">its mass is zero and its weight is unchanged</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">For an IC engine, the thermal efficiency depends on...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">the compression ratio</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the speed of the piston</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the temperature of working medium</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">the diameter of the cylinder</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A 12-V potential difference is applied across a series combination of four 6-ohm resistors. The current in each resistor is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">0.5 A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">2 A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">8 A</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">18 A</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">The temperature at which the thermo emf becomes zero is known as the...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">neutral temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">absolute temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">inverse temperature</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">thermoelectric temperature</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">A transformer uses the principle of...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">self-induction</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">mutual induction</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">variable resistance</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">electrostatic attraction</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If V and V<sub>m</sub> are the instantaneous and maximum values, respectively , of voltage in an a.c. circuit, then the mean value of the voltage is...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">V<sub>m</sub> sinωt</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">√ 2 V<sub>m</sub></li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">V<sub>m</sub>/√ 2</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">none of the above</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">Electromagnetic waves having wavelengths greater than 200 m are called...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">sky waves</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">ground waves</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">micro waves</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">X-rays</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">If θ<sub>m</sub> is the angle of diffracted wave with the direction of incidence and d is the width of slit, then m<sup>th</sup> order minima is obtained for sinθ<sub>m</sub> equal to...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">mλ/d</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">dλ/m</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">md/λ</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">m/λd</li>
</ol>
</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">As a sample of a radioactive element decays, its half-life...<br /><ol type="A"><br />
<li style="margin: 0px 0px 0.25em; padding: 0px;">decreases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">increases</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">remains the same</li>
<li style="margin: 0px 0px 0.25em; padding: 0px;">changes exponentially.</li>
</ol>
</li>
</b></ol>
<b>
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NEET UPDATEShttp://www.blogger.com/profile/09945663440906071676noreply@blogger.com0tag:blogger.com,1999:blog-7239460717822706040.post-78861437376330565022013-03-29T22:30:00.002-07:002013-03-30T02:48:34.980-07:00SYLLABUS OF NEET<div dir="ltr" style="text-align: left;" trbidi="on">
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIjjD2tw_w9QlXAOjkwLRKb4EpHOLDNzS0QrDL2Oi5ydb1b2bfIvLwE1bOWCfUa3JxVKJVpKfoAzhpM0ZxBUF-ovxcX0eD0xeMO5c1qoVvvS9ne-566wA5LXSnHdklnP6FDhJgiBphfY73/s1600/images.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIjjD2tw_w9QlXAOjkwLRKb4EpHOLDNzS0QrDL2Oi5ydb1b2bfIvLwE1bOWCfUa3JxVKJVpKfoAzhpM0ZxBUF-ovxcX0eD0xeMO5c1qoVvvS9ne-566wA5LXSnHdklnP6FDhJgiBphfY73/s1600/images.jpg" /></a></div>
<br />
<b>CORE SYLLABUS for National Eligibility-Cum-Entrance Test (NEET) for </b><br />
<b>Admission to MBBS/BDS Courses </b><br />
<b>The Medical Council of India (MCI) recommended the following syllabus for National Eligibility-cum-Entrance Test for admission to </b><br />
<b>MBBS/BDS courses across the country (NEET-UG) after review of various State syllabi as well as those prepared by CBSE, NCERT and </b><br />
<b>COBSE. This is to establish a uniformity across the country keeping in view the relevance of different areas in Medical Education.</b><br />
<span style="color: blue;">PHYSICS</span><br />
S.No. CLASS XI CLASS XII<br />
1. Physical world and measurement Electrostatics<br />
2. Kinematics Current Electricity<br />
3. Laws of Motion Magnetic Effects of Current and Magnetism<br />
4. Work, Energy and Power Electromagnetic Induction and Alternating Currents<br />
5. Motion of System of Particles and Rigid Body Electromagnetic Waves<br />
6. Gravitation Optics<br />
7. Properties of Bulk Matter Dual Nature of Matter and Radiation<br />
8. Thermodynamics Atoms and Nuclei<br />
9. Behaviour of Perfect Gas and Kinetic Theory Electronic Devices<br />
10. Oscillations and Waves<br />
<span style="color: blue;">CHEMISTRY</span><br />
S.No. CLASS XI CLASS XII<br />
1. Some Basic Concepts of Chemistry Solid State<br />
2. Structure of Atom Solutions<br />
3. Classification of Elements and Periodicity in<br />
Properties<br />
Electrochemistry<br />
4. Chemical Bonding and Molecular Structure Chemical Kinetics<br />
5. States of Matter: Gases and Liquids Surface Chemistry<br />
6. Thermodynamics General Principles and Processes of Isolation of Elements<br />
7. Equilibrium p- Block Elements<br />
8. Redox Reactions d and f Block Elements<br />
9. Hydrogen Coordination Compounds<br />
10. s-Block Element (Alkali and Alkaline earth<br />
metals)<br />
Haloalkanes and Haloarenes<br />
11. Some p-Block Elements Alcohols, Phenols and Ethers<br />
12. Organic Chemistry- Some Basic Principles and<br />
Techniques<br />
Aldehydes, Ketones and Carboxylic Acids<br />
13. Hydrocarbons Organic Compounds Containing Nitrogen<br />
14. Environmental Chemistry Biomolecules<br />
15. Polymers<br />
16. Chemistry in Everyday Life<br />
<span style="color: blue;">BIOLOGY</span><br />
S.No. CLASS XI CLASS XII<br />
1. Diversity in Living World Reproduction<br />
2. Structural Organisation in Animals and Plants Genetics and Evolution<br />
3. Cell Structure and Function Biology and Human Welfare<br />
4. Plant Physiology Biotechnology and Its Applic<br />
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<br />
<a href="http://www.mciindia.org/tools/announcement/2011_FinalCoreSyllabus_NEET-UG/FinalCoreSyllabus_NEET-UG.pdf"><span style="font-size: x-large;"><b>CLICK HERE FOR DETAILED SYLLABUS</b></span></a><br />
<b><span style="font-size: x-large;">CHANGES MADE BY MCI LATER IN CORE SYLLABUS OF NEET UG <a href="http://www.mciindia.org/tools/announcement/2011_FinalCoreSyllabus_NEET-UG/ChangesInFinalFromDraftSyllabus.pdf">CLICK HERE</a></span></b></div>
NEET UPDATEShttp://www.blogger.com/profile/09945663440906071676noreply@blogger.com0