Match the following columns and select the correct option.Column-IColumn-IIA.Pneumotaxic Centre(i)AlveoliB. Dissociation curve(ii)Pons region of brainC.Carbonic Anhydrase(iii)HaemoglobinD.Primary site of exchangeof gases(iv) RBC

Match the following columns and select the correct option.C…

Biology Breathing and Exchange of Gases Previous Year Questions Single Correct MCQ

Published on: August 26, 2026

Match the following columns and select the correct option.

Column-I		Column-II
A.	Pneumotaxic Centre	(i)	Alveoli
B.	Dissociation curve	(ii)	Pons region of brain
C.	Carbonic Anhydrase	(iii)	Haemoglobin
D.	Primary site of exchange of gases	(iv)	RBC

A-(ii), B-(iii), C-(iv), D-(i)

A-(iii), B-(ii), C-(iv), D-(i)

A-(iv), B-(i), C-(iii), D-(ii)

A-(i), B-(iii), C-(ii), D-(iv)

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The correct answer is:

(a) Pneumotaxic centre - Pons

Dissociation curve - Haemoglobin

Carbonic anhydrase-RBC

Primary site of exchange of gases - Alveoli

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