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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
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Why do human beings face difficulty to breath in high elevations?
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Correct option: D
Low
Option D (Low ) is correct because at high elevations, the density of oxygen is lower, making it difficult to breathe.
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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
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Reason : Atmospheric air contains far less
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water. The faster breathing in high fever is due to the
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