A-LevelBiologyImmunityFeb/Mar 2016Paper 1 Q381 Mark

Which row correctly identifies the roles of B-lymphocytes and T-lymphocytes? [Figure 38.1]

Q: What topic does this question test?

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

Asecrete antibodies: B-lymphocytes, secrete cytokines: T-lymphocytes, provide humoral response: B-lymphocytes

Bsecrete antibodies: B-lymphocytes, secrete cytokines: T-lymphocytes, provide humoral response: T-lymphocytes

Csecrete antibodies: T-lymphocytes, secrete cytokines: B-lymphocytes, provide humoral response: B-lymphocytes

Dsecrete antibodies: T-lymphocytes, secrete cytokines: B-lymphocytes, provide humoral response: T-lymphocytes

✓ Correct Answer

The correct answer is A: secrete antibodies: B-lymphocytes, secrete cytokines: T-lymphocytes, provide humoral response: B-lymphocytes

📋 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 Feb/Mar 2016 examination, Paper 1 Variant 2.

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