Free Cell Cycle And Cell Division (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Cells which are not dividing are likely to be at

(a) $G_{2}$

(b) $G_{1}$

(c) $G_{0}$

(d) S-phase

Question-2

In the somatic cell cycle

(a) DNA replication takes place in S-phase

(b) in $G_{1}$-phase DNA content is double the amount of DNA present in the original cell

(c) a short interphase is followed by a long mitotic phase

(d) $G_{2}$ -phase follows mitotic phase

Question-3

A triploid nucleus cannot undergo meiosis because

(a) karyokinesis can not occur.

(b) crossing over does not occur.

(c) chromosomes do not replicate.

(d) not all of the chromosomes can form homologous pairs.

Question-4

A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has :

(a) twice the number of chromosomes and four times the amount of DNA

(b) same number of chromosomes but twice the amount of DNA

(c) four times the number of chromosomes and twice the amount of DNA

(d) twice the number of chromosomes and twice the amount of DNA

Question-5

Spindle fibres attach on to

(a) Kinetochore of the chromosome

(b) Telomere of the chromosome

(c) Centromere of the chromosome

(d) Kinetosome of the chromosome