Sample Questions ā Cell Cycle , M phase(mitosis) and significance of Mitosis
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MCQ
The phase that precedes S phase is:
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Correct Answer: D
Gā is the phase before S (DNA replication).
MCQ
Why is the G1 phase highly variable in length among different cells?
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Correct Answer: B
G1 phase varies depending on how long a cell remains metabolically active before committing to DNA replication.
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MCQ
Why are checkpoints important during the cell cycle?
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Correct Answer: C
Checkpoints ensure that the processes like DNA replication and chromosomal alignment happen correctly before proceeding.
MCQ
Why is mitosis more common in somatic cells than in gametes?
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Correct Answer: C
Mitosis conserves the chromosome number, producing genetically identical diploid cells for body growth and repair.
MCQ
Why do chromosomes condense before alignment in metaphase?
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Correct Answer: D
Highly condensed chromosomes allow for precise alignment and separation.
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