Home Biology Breathing and Exchange of Gases Statement Based Questions Read the following statements and select the…
Biology Breathing and Exchange of Gases Statement Based Questions Single Correct MCQ
Published on: August 14, 2026

Read the following statements and select the correct one.

(I) The volume of gas that diffuses through the membrane per minute for a pressure difference of 1 mm Hg is define:

as diffusing capacity.

(II) The high pC02 in deoxygenated blood allows the release of C02 from blood into the alveoli.

(Ill) Diffusion of oxygen is 20 times faster than C02 and that of co2 is two times faster than nitrogen at the particular

pressure difference.

(IV) Binding of oxygen with haemoglobin is important in promoting C02 transport and its exchange in tissues a lungs.

A
I, II and IV
B
II , Ill and IV
C
Ill and IV
D
All of these

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