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A-LevelBiologyInfectious diseasesOct/Nov 2015Paper 1 Q341 Mark

Why is it necessary for a person with a bacterial infection to take antibiotics at evenly spaced time intervals?

Ato increase the concentration of antibiotic slowly to a level which is lethal to the bacteria
Bto maintain a concentration of antibiotic in the body which is lethal to the bacteria
Cto prevent the development of resistant strains of bacteria
Dto select and kill the resistant strains of bacteria

✓ Correct Answer

The correct answer is B. This question tests the candidate's understanding of infectious diseases within the Biologysyllabus. The examiner's mark scheme requires...

📋 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...

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About This A-Level Biology Question

This multiple-choice question appeared in the Cambridge A-Level Biology (9700) Oct/Nov 2015 examination, Paper 1 Variant 2. It tests the topic of Infectious diseases and is worth 1 mark.

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