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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
1
Medium
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Understanding
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Why breathing is accelerated when the person opens his nose after holding the breathe by closing his nose?
View answer and explanation
Correct option: A
build up in the body
Option A ( build up in the body) is correct because holding breath causes to accumulate, stimulating the respiratory center when breathing resumes.
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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