A-LevelBiologyInfectious diseasesMay/June 2013Paper 1 Q341 Mark

There is a lot of epidemiological evidence linking smoking to disease and early death. Which is the best description of 'epidemiological'?

Q: What topic does this question test?

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

ADisease and deaths are not randomly distributed in small populations.

BDisease and deaths are not randomly distributed in the whole population.

CDisease and deaths are only randomly distributed in large populations.

DDisease and deaths are randomly distributed in the whole population.

✓ Correct Answer

The correct answer is B: Disease and deaths are not randomly distributed in the whole population.

📋 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 Infectious diseases in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Biology May/June 2013 examination, Paper 1 Variant 2.

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