A-LevelBiologyInfectious diseasesMay/June 2020Paper 1 Q361 Mark
The table compares total antibiotic use (X) and the percentage of antibiotic-resistant pneumonia cases (Y) in five countries. [Figure 36.1] What is supported by the data?
AWhen X decreases there is an increase in Y.
BWhen X increases there is an increase in Y.
CWhen X increases it causes an increase in Y.
DThere is no relationship between X and Y.
✓ Correct Answer
The correct answer is B: When X increases there is an increase in Y.
📋 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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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