A-LevelBiologyImmunityOct/Nov 2018Paper 1 Q391 Mark
The graph shows how the body reacts following exposure to an antigen for the first and second time. What is the direct cause of the increase in antibody production after the second exposure to antigens?
AB-memory cells
Bmacrophages
Cplasma cells
DT-memory cells
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of immunity within the Biologysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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