A-LevelBiologyInfectious diseasesMay/June 2013Paper 1 Q361 Mark
A country had fewer than 2.5 deaths per 100 000 people from TB in one year and the next year this rose to 25 deaths per 100 000. What may have contributed to this change? 1 decrease in contact tracing 2 increase in refugee camps 3 water supply contaminated by sewage
A1 and 2 only
B1 and 3 only
C2 and 3 only
D1, 2 and 3
✓ 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep