Arrange the given steps of respiration in the sequence of e…

Biology Breathing and Exchange of Gases Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Arrange the given steps of respiration in the sequence of event they occur.

(I) Diffusion of gasesO 2 andCO 2 acrosses the alveolar membrane.

(II) Transport of gases by the blood.

(III) Utilisation ofO 2 by the cells for catabolic reactions and the resultant release ofCO 2 .

(IV) Pulmonary ventilation by which atmospheric air is drawn in andCO 2 rich alveolar air is released out.

(V) Diffusion ofO 2 andCO 2 between the blood and tissue.

Choose the correct option.

IV → I → II → V → III

III → II → V → I → IV

V → IV → III → II → I

All of the above

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