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NEET UG BIOLOGY MCQ: CELL-CYCLE & CELL DIVISION
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You are given 13-Meiotic divisions, from these divisions how many seeds you can form? How many pollen grains will be wasted?
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Correct option: D
No. of seeds – 10; No. of wasted P.G – 2
Option D (No. of seeds – 10; No. of wasted P.G – 2) is correct because 13 meiotic divisions produce 52 pollen grains, and since each seed needs 4 pollen grains, 13 seeds can be formed, with 2 pollen grains wasted.
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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?
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?