A-LevelBiologyGas exchangeMay/June 2012Paper 1 Q321 Mark
Which statements about chronic obstructive pulmonary disease (COPD) are correct? 1 The patient coughs a lot, bringing up mucus. 2 The patient's symptoms normally do not change. 3 The patient is normally over 30 years old. 4 The disease can often be reversed by treatment.
A1, 2 and 3 only
B1, 2 and 4 only
C2, 3 and 4 only
D1, 2, 3 and 4
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of gas exchange 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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