A-LevelBiologyInfectious diseasesFeb/Mar 2021Paper 1 Q381 Mark
There are two main classes of antibiotics, broad spectrum and narrow spectrum. Broad spectrum antibiotics affect a wide range of bacteria, while narrow spectrum antibiotics affect specific types of bacteria. Which uses of antibiotics may result in antibiotic-resistant bacteria? 1 a broad spectrum antibiotic given to reduce the effects of the influenza virus 2 a broad spectrum antibiotic to treat Mycobacterium tuberculosis in humans 3 a narrow spectrum antibiotic to treat diarrhoea and sickness in cattle
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ Correct Answer
The correct answer is A. 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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