Zoology-Respiratory Organs
NEET Zoology Respiratory Organs Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): The alveolar region is the primary site for the diffusion of gases in the respiratory system. | Reason (R): The alveolar region has a large surface area and a thin barrier which facilitates efficient gas exchange.
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 A
Detailed Explanation
The NCERT context states that gas exchange occurs specifically in the alveolar region due to its design that includes a large surface area and thin diffusion membrane, making the reason correctly explain the assertion.
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