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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
1
Medium
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Understanding
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How many of the following factors given in the box favor the formation of oxyhemoglobin? High , High temperature, High H+ concentration. Choose the correct option.
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Correct option: B
Two
The correct answer is B (Two) because High and Low favor the formation of oxyhemoglobin. High temperature and High H+ concentration favor the dissociation of oxygen from hemoglobin.
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Select appropriate choice for the blanks A, B and C to complete the given NCERT statement The largest quantity of air that can be expired after a maximum inspiratory effort is Assertion : Most fish when out of water, die of
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