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O-LevelBiologyRespiration5090/12 · Oct/Nov 2017 · Q161 Mark

What is not a feature of alveoli?

Alarge surface area

Bmoist surface

Ccilia

Dwalls one cell thick

✓ Correct answer

C: cilia

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About this question

Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2017 Paper 1 Variant 2, question 16.

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