Stem Cells Exam-Style Questions

Question 1

Q1. Knowledge recall (1 mark)

Define the term "stem cell."

Question 2

Q2. Knowledge recall (2 marks)

List two types of stem cells and state where they can be found.

Question 3

Q3. Application (3 marks)

Stem cells have the potential to treat a wide range of diseases. Explain how stem cells could be used to treat a disease such as Parkinson's disease.

Question 4

Q4. Application (3 marks)

Embryonic stem cells are often ethically controversial. Explain the ethical issues surrounding the use of embryonic stem cells.

Question 5

Q5. Data analysis (4 marks)

The table below shows the number of stem cells remaining in a culture after a period of time.

Time (days)

Number of stem cells

0

1000

2

2000

4

4000

a) Plot a line graph to represent the data.

b) Calculate the doubling time of the stem cells.

Question 6

Q6. Knowledge recall (2 marks)

What is the main difference between embryonic and adult stem cells?

Question 7

Q7. Application (3 marks)

Stem cell banks store stem cells for use in future medical research. Describe how these banks operate and the potential benefits of using stem cell banks.

Question 8

Q8. Data analysis (3 marks)

A study compared the growth rate of two different types of stem cells. The results are shown in the bar chart below.

[Bar chart would be here]

Explain the difference between the growth rate of the two cell types.

Question 9

Q9. Knowledge recall (2 marks)

Name one advantage and one disadvantage of using adult stem cells in medical research.

Question 10

Q10. Application (3 marks)

Scientists are using stem cells to develop new treatments for spinal cord injuries. Explain how stem cells could be used to repair a damaged spinal cord.

6

8000

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