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A-LevelBiologyInfectious diseasesOct/Nov 2013Paper 1 Q341 Mark

The diagram shows the relationship between cholera, measles and TB. [Figure 34.1] Which is correct?

A1: cholera, 2: bacteria, 3: TB, 4: airborne, 5: measles
B1: cholera, 2: virus, 3: measles, 4: waterborne, 5: TB
C1: measles, 2: airborne, 3: cholera, 4: bacteria, 5: TB
D1: measles, 2: waterborne, 3: TB, 4: virus, 5: cholera

✓ Correct Answer

The correct answer is A: 1: cholera, 2: bacteria, 3: TB, 4: airborne, 5: measles

📋 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 Oct/Nov 2013 examination, Paper 1 Variant 2.

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