WAEC Biology 2023 Objective — Question 15

Question 15 of 50 from the West African Examinations Council (WAEC) Biology 2023 Objective paper, with the correct answer and a full explanation.

The diagram below is an illustration of some structures used for gaseous exchange in humans. Study it and answer questions 15 and 16. The parts labelled I, II, III and IV respectively are

A. larynx, bronchus, bronchiole and trachea
B. bronchus, bronchiole, trachea and larynx
C. bronchiole, trachea, bronchus and larynx
D. larynx, trachea, bronchus and bronchioleCorrect

Explanation

The whole set-up indicates the structure of a lung: I=Larynx, II=Trachea, III=Bronchiole, IV=Bronchus.

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