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Class 9 Biology · Chapter 4 · Test 5

Cell Cycle Comprehensive

25 MCQs covering Interphase, G1, S, G2, G0, Mitosis, Meiosis, Cytokinesis, Genetic Variation, Nondisjunction, and the Comparison of Mitosis and Meiosis

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

  1. Question 1

    What is the cell cycle?

    • AA series of events in a eukaryotic cell from its formation to its division into two daughter cells
    • BA process in which only DNA is replicated
    • CA process that occurs only in reproductive cells
    • DA process that produces four daughter cells
    Show answer

    Answer: A

    The cell cycle is the series of events from formation of a eukaryotic cell until its division into two daughter cells.

  2. Question 2

    What are the two main phases of the cell cycle?

    • AInterphase and mitosis
    • BMitosis and meiosis
    • CG1 and G2
    • DS phase and cytokinesis
    Show answer

    Answer: A

    The two main phases of the cell cycle are interphase and mitosis.

  3. Question 3

    Approximately what percentage of the total cell cycle is occupied by interphase?

    • A90 percent
    • B10 percent
    • C50 percent
    • D25 percent
    Show answer

    Answer: A

    Interphase occupies approximately 90 percent of the total cell cycle.

  4. Question 4

    What is a major event of the G1 phase?

    • AThe cell grows and makes proteins and organelles
    • BThe DNA of each chromosome is replicated
    • CSister chromatids separate
    • DFour haploid cells are produced
    Show answer

    Answer: A

    During G1 the cell grows and produces proteins and organelles.

  5. Question 5

    In which phase of the cell cycle are chromosomes duplicated?

    • AMitosis
    • BG1 phase
    • CG2 phase
    • DS phase
    Show answer

    Answer: D

    The DNA of each chromosome is replicated during the S phase.

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