A-LevelBiologyGas exchangeMay/June 2025Paper 1 Q351 Mark
Which row shows the tissues that are present in the wall of the trachea and the wall of the bronchus?
Acartilage: ✓, ciliated epithelium: ✓, smooth muscle: ✓
Bcartilage: ✓, ciliated epithelium: ✓, smooth muscle: X
Ccartilage: ✓, ciliated epithelium: X, smooth muscle: X
Dcartilage: X, ciliated epithelium: ✓, smooth muscle: X
✓ 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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