Human Defence Systems GCSE Practice Questions

Question 1

Q1. Knowledge Recall (2 marks)

Define phagocytosis and state one type of phagocytic cell. (2 marks)

Question 2

Q2. Application (3 marks)

Explain how the immune system can distinguish between self and non-self cells. (3 marks)

Question 3

Q3. Knowledge Recall (1 mark)

Name the type of immunity that is non-specific and present from birth. (1 mark)

Question 4

Q4. Application (3 marks)

Describe the role of antibodies in the immune response. (3 marks)

Question 5

Q5. Data Analysis (4 marks)

The table shows the number of white blood cells in a blood sample.

White blood cell type

Number of cells

Neutrophils

4000

Lymphocytes

2500

Eosinophils

500

Basophils

100

Calculate the percentage of neutrophils in the blood sample. (4 marks)

Question 6

Q6. Knowledge Recall (1 mark)

State one example of a physical barrier to infection. (1 mark)

Question 7

Q7. Application (3 marks)

Explain how the use of antibiotics has contributed to the spread of antibiotic resistance. (3 marks)

Question 8

Q8. Knowledge Recall (2 marks)

Name two types of white blood cells involved in cell-mediated immunity. (2 marks)

Question 9

Q9. Application (3 marks)

Describe the process of active immunity. (3 marks)

Question 10

Q10. Knowledge Recall (1 mark)

State one function of the lymphatic system. (1 mark)

Monocytes

500

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