A-LevelBiologyInfectious diseases9700/12 · May/June 2025 · Q381 Mark

Which statements explain why antibiotics may not treat cholera successfully? 1 The infectious organism has developed resistance to the antibiotic. 2 Antibiotics cannot harm viruses. 3 Antibiotics do not affect pathogens that are eukaryotic.

A1, 2 and 3

B1 only

C2 only

D3 only

✓ Correct answer

B: 1 only

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Topic: Infectious diseases, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2025 Paper 1 Variant 2, question 38.

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