Free Cell Cycle And Cell Division (Weekly Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which of the following represents the best stage to view the shape, size and number of chromosomes?

(a) Metaphase

(b) Interphase

(c) Prophase

(d) Telophase

Question-2

Which of the following does not lead to genetic variability?

(a) Crossing over during meiosis.

(b) Random fertilization.

(c) Division of chromosomes during anaphase of mitosis.

(d) Orientation of chromosomes during metaphase I of meiosis.

Question-3

The diagram shows a cell whose diploid chromosome number is four. Which one of the following option shows correct stage of cell ?

(a) Anaphase of mitosis

(b) Anaphase I of meiosis

(c) Metaphase

(d) Anaphase II of meiosis

Question-4

Assertion:
Chromatid separation occurs in anaphase stage.
Reason:
Centromere splitting occurs in anaphase stage.

(a) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.

(b) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.

(c) If the assertion is true but the reason is false.

(d) If both the assertion and reason are false.

Question-5

Match Column-I with Column-II and select the correct option from the codes given below.

Column-I	Column-II
A. Disintegration of nuclear membrane	I. Anaphase
B. Appearance of nucleolus	II. Prophase
C. Division of centromere	III. Telophase
D. Replication of DNA	IV. S-phase

(a) A-II; B-III; C-IV; D-I

(b) A-III; B-II; C-I; D-IV

(c) A-II; B-III; C-I; D-IV

(d) A-III; B-II; C-IV; D-I

Question-6

Terminalization occurs during ______

(a) diakinesis

(b) mitosis

(c) meiosis II

(d) cytokinesis

Question-7

Most cells divide if they receive the proper signal at a checkpoint in the _____ phase of the cell cycle.

(a) $G_{1}$

(b) M

(c) S

(d) $G_{2}$

Question-8

What is not seen during mitosis in somatic cells?

(a) Chromosome movement

(b) Spindle fibres

(c) Disappearance of nucleolus

(d) Synapsis

Question-9

Given below is a schematic break-up of the phases/stages of cell cycle: Which one of the following is the correct indication of the stage/phase in the cell cycle?

(a) D - Synthetic phase

(b) C – Karyokinesis

(c) A – Cytokinesis

(d) B – Metaphase

Question-10

Meiosis is

(a) Equational division

(b) Disjunctional division

(c) Multiplicational division

(d) Reductional division