A-LevelBiologyImmunityOct/Nov 2015Paper 1 Q351 Mark

Which statement is correct for a neutrophil?

Q: What topic does this question test?

This question tests Immunity in A-Level Biology (syllabus code 9700). It is worth 1 mark.

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: They can leave the blood and accumulate at sites of inflammation.

📋 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...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Biology Question

Topic

This multiple-choice question tests Immunity in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Biology Oct/Nov 2015 examination, Paper 1 Variant 2.

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