A-LevelBiologyImmunityOct/Nov 2015Paper 1 Q351 Mark
Which statement is correct for a neutrophil?
AThey are found in tissues and secrete cytokines in response to infection.
BThey can leave the blood and accumulate at sites of inflammation.
CThey can leave the blood and secrete cytotoxins when exposed to damaged cells.
DThey circulate in the blood and present antigens in response to infection.
✓ Correct Answer
The correct answer is B. 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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