AIPMT PRELIMS2004Zoology-Respiration
AIPMT PRELIMS 2004 Zoology Regulation of Breathing MCQ Question
Type: MCQ-conceptual-Medium-Class 11
When CO₂ concentration in blood increases, breathing becomes -
A
There is no effect on breathing
B
Slow and deep
C
Faster and deeper
D
Shallower and slow
Correct Answer
Option C
Detailed Explanation
Increased CO₂ levels in the blood stimulate the respiratory center in the brain, leading to faster and deeper breathing to expel excess CO₂.
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