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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
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I. Increased partial pressure of
II. Increased partial pressure of
III. Increased partial pressure of
IV. Decreased partial pressure of
All the above situations favours the dissociation of oxyhaemoglobin except
II. Increased partial pressure of
III. Increased partial pressure of
IV. Decreased partial pressure of
All the above situations favours the dissociation of oxyhaemoglobin except
View answer and explanation
Correct option: D
Only I
Option D (Only I) is correct because increased partial pressure of O2 favors the association of oxygen with hemoglobin, not dissociation.
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suffocation.
Reason : Atmospheric air contains far less
oxygen content than the dissolved oxygen in
water. The faster breathing in high fever is due to the