BIOLOGY MODEL QUESTIONS FOR NEET-CELL AND ANIMAL KINGDOM

ANIMAL KINGDOM

1.Which one of the following statements is incorrect?

A.Viviparity is the reproductive pattern shown by most mammals

B.Viviparity occurs primarily in salamanders and caecilians.

C.In viviparity, a shell does not form around the egg.

D.Viviparity is not found in species of lizards and snakes.

ANS D

Question 2 

Which one of the following statements is stated incorrectly regarding cartilaginous fishes?

ACartilaginous fishes have sense organs.

BMost cartilaginous fishes have color vision.

CTeeth-like placoid scales are found on the skin of cartilaginous fishes.

D In cartilaginous fishes, gas exchange occurs in the gills.

ANS B

Question 3 

Which statement is correct regarding reptiles, birds, and mammals?

AEvolved from a common ancestor

BEmbryos are surrounded by a fluid-filled sac called amnion

COuter covering is largely watertight.

DAll of the above

ANS D

Question 4 

Which one of the following characteristics is NOT a shared by birds and mammals?

A backbone and internal skeleton

BBreathing using lungs

CViviparity

DWarm blooded nature

ANS C

Question 5 

Which one of the following statements is incorrect?

ARadial symmetry is displayed by sea anemone and aquatic animal.

BFasciola hepatica is also known as the sheep liver fluke.

CTriploblastic animals are usually bilaterally symmetrical

DMesoglea is present in between ectoderm and endoderm in Obelia

ANS D

Question 6 

Which one of the followings belongs to platyhelminthes?

A.Plasmodium

B.Trypanosoma

C.Schistosoma

DWuchereria

ANS C

Question 7 

Radial symmetry is generally exhibited by which animals?

Which are attached with substratum

Which are aquatic

Which have ciliary feeding

Which have one opening of alimentary canal

Question 8 

Tachyglossus is a connecting link between

Reptiles and Birds

Amphibians and Reptiles

Birds and Mammals

Reptiles and Mammals

Question 9 

The scientific name of Asian tiger mosquito

Aedes aegypti

Aedes albopictus

Aedes taeniorhynchus

Aedes albolineatus

Question 10 

Water-Vascular’ system is found in

Sea-anemone

Sea-pen

Sea-cucumber

Sea-horse

Question 11 

Cell tissue grade of organization occurs in

Platyhelminthes

Sponges

Protozoa

Coelenterata

Question 12 

Swarming generally occurs in

Pyrilla

Mosquito

House fly

Locust

Question 13 

Animals having a built in thermostat to maintain constant body temperature are known as

Biothermic

Poikilothermic

Oligothermic

Homeothermic

Question 14 

Which one of the followings in birds indicates their reptilian ancestry?

Eggs with a calcareous shell

Scales on their hind limbs

Four-chambered heart

Two special chambers crop and gizzard in their digestive tract

Question 15 

______ are devoid of respiratory, excretory and circulatory organs.

Threadworms

Sponges

Tapeworms

Liver fluke

CELL

Question 1

Cell division can not be stopped in which phase of the cell cycle?

A

G1-phase

B

G2-phase

C

S-phase

D

Prophase

Question 2

What type of plant is formed when colchicine is used in the process of development of Raphanobrassica?

A

Autotetraploid

B

Haploid

C

Triploid

D

Allotetraploid

Question 3

The non-sister chromatids twist around and exchange segments with each other during

A

Leptotene

B

Diakinesis

C

Diplotene

D

Pachytene

Question 4

Synapsis occurs between

A

mRNA and ribosomes

B

A male and a female gamete

C

Two homologous chromosomes

D

Spindle fibres and centromere

Question 5

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:

A

Prophase

B

Anaphase

C

Telophase

D

Metaphase

Question 6

Cells in G0 phase of cell cycle

A

Exit cell cycle

B

Enter cell cycle

C

Suspend cell cycle

D

Terminate cell cycle

Question 7

In the somatic cell cycle:

A

In G1 phase DNA content is double the amount of DNA present in the original cell

B

A short interphase is followed by a long mitotic phase

C

DNA replication takes place in S-phase

D

G2 phase follows mitotic phase

Question 8

Which of the following events takes place during Diplotene stage of prophase I of meiosis?

A

Compaction of chromosomes

B

Formation of synaptonemal complexes

C

Formation of recombinational nodules

D

Dissolution of synaptonemal complex

Question 9

The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is

A

splitting of the centromeres

B

splitting of the chromatids

C

replication of the genetic material

D

condensation of the chromatin

Question 10

Which of the following is unique to mitosis and not a part of meiosis?

A

Homologous chromosomes pair and form bivalents

B

Chromatids are separated during anaphase

C

Homologous chromosomes behave independently

D

Homologous chromosomes crossover

Question 11

Arrange the following events of meiosis in the correct sequence:

I. Terminalization

II. Crossing over

III. Synapsis

IV. Disjunction of genomes

The correct sequences :

A

II, I, IV, III

B

III, II, I, IV

C

IV, III, II, I

D

I, IV, III, II

Question 12

Assertion: Phase of cell division is also known as formative phase.

Reason: In formative phase new cells are produced from pre-existing cells through meiosis division. 

A

Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.

B

Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.

C

Assertion is true, but Reason is false.

D

Both Assertion and Reason are false.

Question 13

From the following, identify the two correct statements with reference to meiosis

I. Bead like structure are absent on chromosomes.

II. Displacement of chiasmata occurs in diakinesis.

III. Separation of two basic sets of chromosomes.

IV. No division of centromere.

The correct statements are:

A

III, IV

B

II, IV

C

II, III

D

I, III

Question 14

Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage? 

A

Prophase I during meiosis

B

Both prophase and metaphase of mitosis

C

Prophase of Mitosis

D

Prophase II during meiosis

Question 15

Study the following lists and select the correct match from the option given below.

List-I List-II

(A) Initiation of spindle fibres (I) Anaphase - I

(B) Synthesis of RNA and Protein (II) Zygotene

(C) Action of endonuclease (III) G1 phase

(D) Movement of chromatids towards opposite poles (IV) Pachytene

  (V) Anaphase - II

A

A - I, B - III, C - V, D - IV

B

A - III, B - II, C - I, D - V

C

A - II, B - III, C - IV, D - V

D

A - V, B - III, C - I, D - II