A-LevelBiologyGas exchangeOct/Nov 2025Paper 1 Q361 Mark
The diagram shows parts of the gas exchange system in humans and the associated cells or structures. [Boxes with labels: alveolus, bronchiole, bronchus, trachea and ciliated cells, squamous epithelial cells, C-shaped rings of cartilage, ciliated cells and goblet cells] Which diagram shows the lines that correctly match the parts to their cells or structures?
A[Diagram A showing connections]
B[Diagram B showing connections]
C[Diagram C showing connections]
D[Diagram D showing connections]
✓ 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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