Lesson 4.1.2.2

4.1.2.2 Mitosis and the cell cycle Quiz: AQA Combined Science, Unit 1

20 questions

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Lesson 4.1.2.2, Mitosis and the cell cycle: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 1: Cell biology, written with Revision Ninja.

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The 20 questions

  1. What is the correct sequence of the cell cycle stages?

    • Division, mitosis, growth
    • Mitosis, growth, division
    • Growth, mitosis, division
    • Growth, division, mitosis
  2. What happens to chromosomes during the mitosis stage of the cell cycle?

    • Dissolved entirely
    • Pulled to ends
    • Left in centre
    • Replicated twice
  3. What are the final products of one complete cell cycle?

    • Four unique gametes
    • Four identical cells
    • One large cell
    • Two identical cells
  4. What must a cell increase before it can divide?

    • Nutrient waste products
    • Nuclear membrane size
    • Sub-cellular structures
    • Extracellular fluid
  5. Why must DNA replicate before a cell divides by mitosis?

    • To release energy
    • To produce proteins
    • To copy chromosomes
    • To destroy mutations
  6. Which process is important in the growth and development of multicellular organisms?

    • Meiosis
    • Diffusion
    • Mitosis
    • Osmosis
  7. How many overall stages of the cell cycle do students need to understand?

    • Seven
    • Three
    • Five
    • Two
  8. During mitosis, what divides immediately after chromosomes are pulled to opposite ends?

    • Vacuole
    • Ribosome
    • Cell wall
    • Nucleus
  9. A cell has 10 chromosomes. After DNA replication and mitosis, how many chromosomes does each new cell have?

    • 5
    • 20
    • 10
    • 40
  10. A student sees chromosomes being pulled to opposite ends of a cell. Which process is this?

    • Active transport
    • Osmosis
    • Diffusion
    • Mitosis
  11. A bean seedling grows from one cell into many. Which process mainly drives this increase in cell number?

    • Mitosis
    • Diffusion
    • Fertilisation
    • Photosynthesis
  12. A cell has doubled its DNA. How many copies of each chromosome exist before division?

    • Two
    • Four
    • One
    • Three
  13. A cell has 14 chromosomes. After mitosis, how many chromosomes are present across both new cells in total?

    • 42
    • 14
    • 7
    • 28
  14. Why must cells formed during growth contain identical genetic information?

    • To absorb water
    • To function correctly
    • To produce energy
    • To digest food
  15. Which part of the cell is copied so that two copies of each chromosome form?

    • Cell membrane
    • Cytoplasm
    • DNA
    • Cell wall
  16. What happens to DNA before a cell divides by mitosis?

    • It dissolves
    • It shrinks
    • It replicates
    • It mutates
  17. What happens if a dividing cell fails to copy its DNA correctly?

    • Larger ribosomes
    • Extra mitochondria
    • Unequal chromosomes
    • Faster division
  18. In mitosis, how many daughter nuclei form from one dividing nucleus?

    • Four
    • One
    • Two
    • Three
  19. A cell has 12 chromosomes. After replication and mitosis, how many DNA molecules does each daughter cell contain?

    • 24
    • 48
    • 12
    • 6
  20. What is the correct sequence of stages in the cell cycle?

    • Growth, division, DNA copying
    • Division, growth, DNA copying
    • DNA copying, division, growth
    • Growth, DNA copying, division

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