A-LevelBiologyImmunityMay/June 2022Paper 1 Q401 Mark
A student used a diagram to show four types of cells involved in the primary immune response. [Figure showing a diagram with cells types 1, 2, 3, 4 and their functions related to unknown antigen] Which row is correct?
AB-lymphocyte
macrophage
T-killer cell
T-helper cell
Bmacrophage
B-lymphocyte
T-helper cell
T-killer cell
CT-helper cell
T-killer cell
B-lymphocyte
macrophage
DT-killer cell
T-helper cell
B-lymphocyte
macrophage
✓ 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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