A-LevelBiologyInfectious diseasesOct/Nov 2016Paper 1 Q381 Mark
Why is it difficult to control the spread of measles? 1 Global air travel for commerce and tourism has increased. 2 The virus that causes measles rapidly evolves resistance to antibiotics. 3 The virus that causes measles shows great antigenic variability. 4 Civil unrest and poverty result in overcrowded living conditions.
A1, 2 and 4
B1, 2 and 3
C1 and 4 only
D4 only
✓ Correct Answer
The correct answer is C. 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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