A-LevelBiologyGas exchangeOct/Nov 2016Paper 1 Q341 Mark

A student made some labelled drawings of lung tissue using the high-power lens of a light microscope, but did not label two airways, P and Q. The drawing of the lining layer of P showed both ciliated cells and goblet cells, whilst the drawing of the lining layer of Q showed ciliated cells but very few goblet cells. What are airways P and Q?

Q: What is the correct answer to this A-Level Biology question?

The correct answer is C: P: bronchus, Q: bronchiole.

Q: What topic does this question test?

This question tests Gas exchange in A-Level Biology (syllabus code 9700). It is worth 1 mark.

AP: bronchiole, Q: trachea

BP: bronchiole, Q: bronchus

CP: bronchus, Q: bronchiole

DP: trachea, Q: bronchus

✓ Correct Answer

The correct answer is C: P: bronchus, Q: bronchiole

📋 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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About This A-Level Biology Question

Topic

This multiple-choice question tests Gas exchange in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Biology Oct/Nov 2016 examination, Paper 1 Variant 2.

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