Zoology-Gas Exchange
NEET Zoology Gas Exchange Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): The alveoli are the primary site for the exchange of O2 and CO2 in the lungs. | Reason (R): The conducting part of the respiratory system is responsible for the diffusion of gases between the blood and atmospheric air.
A
Both A and R are true, and R is the correct explanation of A.
B
Both A and R are true, but R is not the correct explanation of A.
C
A is true, but R is false.
D
A is false.
Correct Answer
Option C
Detailed Explanation
The alveoli and their ducts form the respiratory or exchange part of the system, where the actual diffusion of O2 and CO2 occurs. The conducting part only transports, humidifies, and clears the air.
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