NEET UG BIOLOGY MCQ: CELL-CYCLE & CELL DIVISION

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If a daughter cell of a plant, after mitosis contains 6 chromosomes and

20 {pg}

DNA

, then the number of chromosomes and amount of

DNA

respectively in

{G}_2

-phase of the cell is

View answer and explanation

Correct option: B

6 and

40 \,{pg}

Option B (6 and 40 pg) is correct because in the G2 phase, the DNA content doubles after replication, while the chromosome number remains the same as after mitosis.

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At metaphase of mitosis, each chromosome consists of ________ chromatid(s) _________ centromere(s) _________ kinetochore(s) and _________ molecule(s) of DNA. Mitosis occurs in: In which phase, DNA content will be doubled? Assertion : Cell growth is a continuous process
in terms of cytoplasmic increase.

Reason : DNA synthesis occurs only during
two specific stages in the cell cycle. Interkinesis means What is the approximate duration of cell cycle for a mammalian cell?