Home Biology Breathing and Exchange of Gases NCERT Examplar Respiratory process is regulated by certain …
Biology Breathing and Exchange of Gases NCERT Examplar Single Correct MCQ
Published on: August 21, 2026

Respiratory process is regulated by certain specialised centres in the brain. One of the following centres can reduce the inspiratory duration upon stimulation:

A
Medullary inspiratory centre
B
Pneumotaxic centre
C
Apneustic centre
D
Chemosensitive centre

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The correct answer is:

                    

Pneumotaxic centre located in the dorsal part of pons varoli of the brain can reduce the duration of inspiration and thus alter the respiratory rate.
Pneumotaxic Centre is located in the lower part of pons varoli is responsible for promoting inspiration process.

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