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A-LevelBiologyInfectious diseasesMay/June 2018Paper 1 Q361 Mark

Which row identifies both the type of pathogen that causes cholera and the way in which cholera is transmitted from person to person?

Atype of pathogen bacteria, method of transmission drinking water contaminated with the pathogen
Btype of pathogen bacteria, method of transmission inhaling water droplets contaminated with the pathogen
Ctype of pathogen virus, method of transmission drinking water contaminated with the pathogen
Dtype of pathogen virus, method of transmission inhaling water droplets contaminated with the pathogen

✓ Correct Answer

The correct answer is A: type of pathogen bacteria, method of transmission drinking water contaminated with the pathogen

📋 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 2018 examination, Paper 1 Variant 2.

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