A-LevelBiologyImmunityMay/June 2020Paper 1 Q281 Mark
The photomicrograph shows three white blood cells labelled X, Y and Z. [Figure 28.1] Which row correctly identifies these cells? [Figure 28.2]
Acell X: lymphocyte, cell Y: monocyte, cell Z: neutrophil
Bcell X: lymphocyte, cell Y: neutrophil, cell Z: monocyte
Ccell X: monocyte, cell Y: neutrophil, cell Z: lymphocyte
Dcell X: neutrophil, cell Y: monocyte, cell Z: lymphocyte
✓ Correct Answer
The correct answer is A. 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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