NEET UG BIOLOGY MCQ: CELL-CYCLE & CELL DIVISION

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What will be the DNA content and number of chromosomes in
a cell of after S phase as compared to
the gamete of the same organism?

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Correct option: B

Four times DNA content but double chromosome number

Option B (Four times DNA content but double chromosome number) is correct because after S phase, DNA content is doubled and since the cell is diploid, the chromosome number is double that of a gamete.

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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?