A-LevelBiologyGas exchange9700/12 · Feb/Mar 2019 · Q331 Mark

Which statement about typical bronchioles is correct?

AThey have cartilage and ciliated cells.

BThey have goblet cells and smooth muscle.

CThey have smooth muscle and cartilage.

DThey have smooth muscle and ciliated cells.

✓ Correct answer

D: They have smooth muscle and ciliated cells.

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Topic: Gas exchange, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2019 Paper 1 Variant 2, question 33.

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