**AQA 8461 GCSE Biology: Battling the Invisible Foe: Infection and Response**
Question 1
Q1 - Knowledge Recall (1 mark)
Define the term 'pathogen'.
Question 2
Q2 - Knowledge Recall (2 marks)
State two different types of microorganisms that can cause infection.
Question 3
Q3 - Application (2 marks)
Explain how toxins produced by pathogens can affect the body.
Question 4
Q4 - Application (3 marks)
Describe the role of antibodies in the immune system.
Question 5
Q5 - Extended Response (4 marks)
Explain the importance of vaccination in preventing the spread of infectious diseases.
Question 6
Q6 - Application (3 marks)
How are antibiotics used to treat bacterial infections?
Question 7
Q7 - Knowledge Recall (2 marks)
Name two types of white blood cells involved in the immune response and state their functions.
Question 8
Q8 - Application (3 marks)
Explain the difference between a communicable and a non-communicable disease.
Question 9
Q9 - Extended Response (4 marks)
Discuss the ethical issues surrounding clinical trials for new vaccines or treatments.
Question 10
Q10 - Application (3 marks)
Describe the role of monoclonal antibodies in treating certain diseases.