plumiThe immune system: CAIE A‑Level Biology questions
Every CAIE A-Level Biology exam question on 11.1 The immune system, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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Q2(a)(i)
The whole paper ↗![Specimen Paper 2, question 2(a)(i): Describe the mode of action of a macrophage against a bacterial cell. [3]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/970002-spec-02-ai-qp.webp)
Q2(a)(ii)
The whole paper ↗
All 5 questions on The immune system, as a list
- June 2024, Paper 1, Q38 (1 mark): The electron micrograph shows a type of blood cell. What can be concluded from the electron micrograph? A The cell secretes products that are toxic to pathogens
- June 2024, Paper 1, Q39 (1 mark): Why is mitosis important in the immune response? A It allows B-lymphocytes to produce plasma cells. B It allows B-lymphocytes to synthesise antibodies. C It all
- Specimen, Paper 1, Q40 (1 mark): Why is it difficult for B-lymphocytes and T-lymphocytes to respond to the antigens on pathogens that are intracellular parasites? A The antigens are constantly
- Specimen, Paper 2, Q2(a)(i) (3 marks): Describe the mode of action of a macrophage against a bacterial cell. [3]
- Specimen, Paper 2, Q2(a)(ii) (1 mark): Sometimes M. tuberculosis survives within a macrophage instead of being destroyed by the macrophage. Suggest one way in which M. tuberculosis may survive within
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