Lesson 3.2.2.2

3.2.2.2 Mitosis, cytokinesis and cell differentiation Quiz: AQA Biology, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 3.2.2.2, Mitosis, cytokinesis and cell differentiation: 20 multiple choice questions for the AQA Biology (7402), Unit 2: Cells, written with Revision Ninja.

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The 20 questions

  1. How many genetically identical daughter cells are produced by mitosis?

    • Eight
    • One
    • Two
    • Four

  2. During which stage of mitosis do chromosomes line up along the equator of the cell?

    • Prophase
    • Anaphase
    • Telophase
    • Metaphase

  3. During which stage of mitosis do the chromatids separate and move towards opposite poles of the cell?

    • Anaphase
    • Prophase
    • Metaphase
    • Interphase

  4. What is the division of cytoplasm following nuclear division called?

    • Interphase
    • Karyokinesis
    • Cytokinesis
    • Binary fission

  5. Which structure breaks down during prophase of mitosis?

    • Plasma membrane
    • Nuclear envelope
    • Cell wall
    • Nucleolus

  6. Which stage of the cell cycle contains the highest proportion of cells in a root tip squash?

    • Prophase
    • Interphase
    • Metaphase
    • Telophase

  7. A cell is seen with chromatids moving to opposite poles, and the nuclear envelope is starting to reform. What stage is this?

    • Interphase
    • Prophase
    • Metaphase
    • Telophase

  8. Which feature characterises chromosomes during mitosis in a stained root tip squash?

    • Decondensed nuclear chromatin
    • Uncoiled DNA strands
    • Visible condensed chromosomes
    • Dissolved histone proteins

  9. A root tip squash shows 20 cells in mitosis out of 200 cells observed. What is the mitotic index?

    • 0.5
    • 0.1
    • 0.01
    • 0.2

  10. A cell in a root tip appears 40 mm across in a micrograph at magnification x400. What is its actual size?

    • 1.0 mm
    • 0.1 mm
    • 10 mm
    • 0.01 mm

  11. A cell appears 2 cm wide in a drawing at a magnification of x500. What is its actual width?

    • 0.04 mm
    • 4 mm
    • 0.4 mm
    • 0.004 mm

  12. What process enables a stem cell to develop into a specialised cell type?

    • Binary fission
    • Translation
    • Meiosis
    • Differentiation

  13. Which stage of mitosis is directly prevented if spindle fibres fail to form?

    • Metaphase
    • Telophase
    • Cytokinesis
    • Interphase

  14. What is divided during cytokinesis to form two separate daughter cells?

    • Centromere
    • Nucleus
    • Chromatin
    • Cytoplasm

  15. A cell has a diploid number of 6 before mitosis. How many chromosomes does each daughter cell have after mitosis?

    • 12
    • 2
    • 6
    • 3

  16. What happens to the division ability of most cells once fully differentiated?

    • It slows down
    • It doubles
    • It is lost
    • It becomes random

  17. How does the total chromosome number in metaphase compare to telophase in the same mitosis?

    • It is halved
    • It is doubled
    • It is quadrupled
    • It is identical

  18. What does an increasing mitotic index in a tissue sample indicate?

    • Lower division rate
    • Decreasing cell growth
    • Higher proportion dividing
    • Increasing cell death

  19. Which feature distinguishes a cell in prophase from a cell in interphase?

    • Cleavage furrow formation
    • Fully divided cytoplasm
    • Visible condensed chromosomes
    • Uncoiled nuclear chromatin

  20. An onion root tip cell has a diploid chromosome number of 16. How many chromosomes does each daughter cell have after one mitotic division?

    • 32
    • 8
    • 16
    • 4

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