Free Cell Cycle And Cell Division (Daily Quiz: 6) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Number of chromosome groups at equatorial plate of metaphase I of a plant body having 2n = 50 chromosomes shall be

(a) 75

(b) 100

(c) 50

(d) 25

Question-2

The enzyme recombinase is required at which state of meiosis

(a) Zygotene

(b) Pachytene

(c) Diplotene

(d) Diakinesis

Question-3

Which of the following statement is correct?

(a) Cell division is inhibited by cytokinin

(b) DNA is synthesized throughout the cell cycle

(c) Chromosome are condensed at S – stage

(d) Only extrachromosomal DNA is replicated at any stage of cell cycle

Question-4

$G_2$ phase is not associated with

(a) Synthesis of tubulin proteins for spindle fibres

(b) DNA synthesis

(c) Synthesis of some non-histone proteins

(d) Duplication of centrioles

Question-5

A bivalent of meiosis-I consists of

(a) Two chromatids and two centromeres

(b) Two chromatids and one centromere

(c) Four chromatids and two centromeres

(d) Four chromatids and four centromeres.