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NEET UG BIOLOGY MCQ: CELL-CYCLE & CELL DIVISION
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Assertion (A): Growth and reproduction are characteristics of cells, indeed of all living organism.
Reason (R): Cycle of growth and division allow a single cell to form a structure consisting of millions of cells.
Reason (R): Cycle of growth and division allow a single cell to form a structure consisting of millions of cells.
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Correct option: A
Both (A) & (R) are true and the (R) is the correct explanation of the (A)
Option A (Both (A) & (R) are true and the (R) is the correct explanation of the (A)) is correct because growth and reproduction are indeed characteristics of cells, and the cycle of growth and division explains how a single cell forms a multicellular structure.
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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?