Identify the correct statement with reference to transport …

Biology Breathing and Exchange of Gases Skill Builder Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Identify the correct statement with reference to transport of respiratory gases by blood.

Haemoglobin is necessary for transport of carbon dioxide and carbonic anhydrase for transport of oxygen.

Haemoglobin is necessary for transport of oxygen and carbonic anhydrase for transport of carbon dioxide.

Only oxygen is transported by blood.

Only carbon dioxide is transported by blood.

Text Solution

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The correct answer is:

Both and are transported by blood.

RBCs contain a very high concentration of the enzyme carbonic anhydrase. This enzyme facilitates the following reaction in both directions.

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