A-LevelBiologyGas exchange9700/12 · Oct/Nov 2015 · Q311 Mark

Which row about the human gas exchange system is correct?

Acartilage present present absent

Bciliated epithelium absent present absent

Cgoblet cells present absent absent

Dsmooth muscle present present present

✓ Correct answer

A: cartilage present present absent

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Topic: Gas exchange, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2015 Paper 1 Variant 2, question 31.

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