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Cell cycle
8 Class 11 Biology questions with answers and explanations.
Printable worksheet with answer key
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DNA replicates during which phase of interphase?
- 1 G2
- 2 S
- 3 M
- 4 G1
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Chromosomes become visible during:
- 1 G1
- 2 Interphase
- 3 Prophase
- 4 Cytokinesis only
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Correct answer: Prophase
Chromatin condenses into visible chromosomes in prophase.
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Sister chromatids separate during:
- 1 Prophase
- 2 Anaphase
- 3 Metaphase
- 4 Interphase
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Correct answer: Anaphase
They are pulled apart to opposite poles in anaphase.
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Crossing over occurs in:
- 1 Prophase I of meiosis
- 2 Interphase
- 3 Metaphase of mitosis
- 4 Anaphase of mitosis
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Correct answer: Prophase I of meiosis
Homologous chromosomes exchange segments in prophase I.
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Uncontrolled cell division results in:
- 1 Meiosis
- 2 Healing
- 3 Growth only
- 4 Cancer
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During which phase does the cell grow and make proteins before DNA replication?
- 1 M
- 2 S
- 3 G1
- 4 G2
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Cytokinesis is the division of the:
- 1 DNA
- 2 Chromosome
- 3 Nucleus
- 4 Cytoplasm
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The number of daughter cells formed from one cell by meiosis is:
- 1 Eight
- 2 Four
- 3 One
- 4 Two