Select the incorrect statement from the following:

Biology Breathing and Exchange of Gases Skill Builder Single Correct MCQ

Published on: August 23, 2026

Neural signal from pneumotaxic centre can reduce the duration of inspiration.

The role of oxygen in the regulation of respiratory rhythm is quite significant.

RBCs contain a very high concentration of the enzyme, carbonic anhydrase and minute quantities of the same is present in the plasma too.

CO2 is carried by haemoglobin as carbamino-haemoglobin (about 20–25 per cent).

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The correct answer is:

(b)

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