Free Cell Cycle And Cell Division (Daily Quiz: 4) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Cell Cycle And Cell Division (Daily Quiz: 4) Time:

Question-1

Select the correct option with respect to mitosis

(a)

(b)

(c)

(d)


Question-2

In meiosis crossing over is initiated at

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Crossing over is a process of exchange of genetic material or chromatid segments between two homologous chromosomes. It is initiated during pachytene stage of meiosis.


Question-3

At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

Histone proteins are synthesized during S-phase of cell cycle or Synthetic phase.


Question-4

During regeneration, modification of an organ to another organ is known as

(a)

(b)

(c)

(d)


Question-5

Meiosis occurs in organisms during

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Meiosis occurs in sexually reproducing organisms to reduce the chromosome number to half, before their gametes unite, so as to maintain the constant chromosome number (2n) in the progeny.

Vegetative reproduction is a kind of asexual reproduction occurring in plants and does not involve the formation and fusion of gametes.


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