The cell cycle

Last updated: 17/02/2022

AQA A-Level Biology All cells arise from other cells The cell cycle

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Question 1 of 19

1. Question
In humans, the cell cycle involving mitosis results in:
- Two identical cells
- Two cells containing 23 chromosomes each
- Two cells with twice the number of chromosomes
- Four cells with half the original number of chromosomes
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Question 2 of 19

2. Question
How do chromosomes move to the poles of the cell?
- Pulled by spindle fibres attached to centromeres at the poles
- Convection currents
- Cytokinesis
- Pulled by spindle fibres attached to centromeres at the equator
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Question 3 of 19

3. Question
Which do not undergo cell division?
- Viruses
- Bacteria
- Archaea
- Fungi
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Question 4 of 19

4. Question
What is cytokinesis?
- Division into two new cells
- Movement of the cell to another location
- Movement of chromatids towards the poles
- A family grouping of cells
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Question 5 of 19

5. Question
Which stage of the cell cycle occupies the longest period?
- Interphase
- Nuclear division
- Cytokinesis
- All phases are of equal length
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Question 6 of 19

6. Question
Which of the following is another name for Interphase?
- Resting phase
- Telophase
- Metaphase
- Anaphase
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Question 7 of 19

7. Question
What is the correct order of the cell cycle?
- Interphase – Nuclear Division – Cytokinesis
- Interphase – Cytokinesis – Nuclear Division
- Cytokinesis – Nuclear Division – Interphase
- Nuclear Division – Interphase – Cytokinesis
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Question 8 of 19

8. Question
Mitosis occurs during which stage of the cell cycle?
- Nuclear division
- Interphase
- Cytokinesis
- All stages
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Question 9 of 19

9. Question
Meiosis occurs during which stage of the cell cycle?
- Nuclear division
- Interphase
- Cytokinesis
- All stages
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Question 10 of 19

10. Question
What proportion of the cell cycle is normally occupied by interphase?
- 0.9
- 0.5
- 0.1
- 0.01
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Question 11 of 19

11. Question
Which of the following best describes interphase?
- A period during which the cell is growing and undertaking intense chemical activity but not dividing
- A period during which the cell is resting, with little chemical activity and no division
- A period during which the cell is undertaking intense chemical activity and actively dividing
- A period during which the cell has little chemical activity but is actively dividing
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Question 12 of 19

12. Question
What does a cell cycle involving meiosis result in?
- Four cells with half the original number of chromosomes
- Two cells containing 23 chromosomes each
- Four cells with twice the number of chromosomes
- Two identical cells
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Question 13 of 19

13. Question
DNA replication occurs during which stage of the cell cycle?
- Interphase
- Nuclear division
- Cytokinesis
- Metaphase
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Question 14 of 19

14. Question
Which important process in the cell cycle occurs during interphase?
- DNA replication
- Separation of cytoplasm to form two cells
- Separation of new chomosomes to opposite poles
- Reformation of the nuclear envelope
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Question 15 of 19

15. Question
What happens to the mass of a cell during the cell cycle?
- It steadily increases until it has doubled and then it is rapidly halved, returning to the original mass
- It rapidly increases and then becomes stable before slowly being halved to the orginal mass
- It steadily increases until it has doubled and then it is rapidly reduced by 25%
- It steadily increases until it has doubled and then steadily decreases until it returns to the original mass
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Question 16 of 19

16. Question
What happens to the DNA content of a cell during the cell cycle?
- It remains stable, then instantly doubles, remains stable, then it rapidly halves
- It remains stable, then steadily increases until it has doubled, remains stable, then it rapidly halves
- It steadily increases until it has doubled and then steadily decreases until it returns to the original level
- It remains stable, then instantly halves, remains stable, then it rapidly doubles
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Question 17 of 19

17. Question
Which of the following is true?
- Only some cells in multicellular organisms retain the ability to divide
- All cells in multicellular organisms retain the ability to divide
- Only stem cells retain the ability to divide
- Stem cells lack the ability to divide
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Question 18 of 19

18. Question
Which of the following is false?
- All cells in multicellular organisms retain the ability to divide
- Only some cells in multicellular organisms retain the ability to divide
- Stem cells have the ability to divide
- Epithelial cells have the ability to divide
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Question 19 of 19

19. Question
In mitotic cell division, what happens to DNA content from one cycle to the next?
- It remains the same
- It decreases by half
- It is doubled
- It increases by half
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