Cell Division (Mitosis and the Cell Cycle) Practice Questions

Question 1

Q1. Knowledge Recall (1 mark)

Define the term "mitosis".

Question 2

Q2. Application of Knowledge (2 marks)

Explain why stem cells are important in the body.

Question 3

Q3. Data Analysis (3 marks)

The diagram below shows a stage in mitosis.

[Diagram of metaphase I of meiosis]

Identify the stage and explain what is happening in the cell at this stage.

Question 4

Q4. Knowledge Recall (2 marks)

State the four main stages of the cell cycle in order.

Question 5

Q5. Application of Knowledge (3 marks)

Describe how the length of the cell cycle can be affected by environmental factors.

Question 6

Q6. Data Analysis (4 marks)

The table below shows the percentage of cells in different stages of the cell cycle.

Stage

Percentage

Interphase

80%

Prophase

10%

Metaphase

5%

Anaphase

3%

Calculate the average length of time a cell spends in the cell cycle if each stage takes the following time:

- Interphase: 12 hours

- Prophase: 3 hours

- Metaphase: 1 hour

- Anaphase: 1 hour

- Telophase: 1 hour

Question 7

Q7. Knowledge Recall (2 marks)

Explain the difference between mitosis and meiosis.

Question 8

Q8. Application of Knowledge (3 marks)

Describe how mitosis contributes to the growth and development of an organism.

Question 9

Q9. Data Analysis (4 marks)

The graph below shows the number of chromosomes in a cell during mitosis.

[Graph showing chromosome number vs. cell cycle stage]

Explain the increase in chromosome number from anaphase to telophase.

Question 10

Q10. Knowledge Recall (2 marks)

State the role of cytokinesis in cell division.

Telophase

2%

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