O-LevelBiologyRespiration5090/12 · Oct/Nov 2016 · Q171 Mark

The diagram shows some structures in the respiratory system. [Diagram for Q17] What are the labelled structures?

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Abronchus, trachea, bronchiole, alveolus

Btrachea, bronchiole, alveolus, bronchus

Ctrachea, bronchus, alveolus, bronchiole

Dtrachea, bronchus, bronchiole, alveolus

✓ Correct answer

C: trachea, bronchus, alveolus, bronchiole

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Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 2, question 17.

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