Question

Quantity of fresh air required for a man is

A 1000 cubic feet of air for every 20 minutes
B 1000 cubic feet of air for every 20 seconds
C 1000 cubic feet of air for every 10 minutes
D 1000 cubic feet of air for every 10 seconds
Answer & Explanation
Option: [A]

NCERT Class 12 Biology Solved Multiple Choice Questions

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