Zoology-(general)
NEET Zoology (general) MCQ Question
Type: MCQ-diagram based-Hard-Class 11
A diagram shows the layers of the diffusion membrane involved in gas exchange between alveoli and blood. Which layer is primarily responsible for separating the alveolar epithelium from the capillary endothelium?
A
Basement substance
B
Alveolar epithelium
C
Capillary endothelium
D
Intercellular fluid
Correct Answer
Option A
Detailed Explanation
The diffusion membrane is comprised of three major layers, and the basement substance is located between the squamous epithelium of alveoli and the capillary endothelium, as per the NCERT context.
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