NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES

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Breathing involves …A… during which atmospheric air is drawn in and …B… by which the alveolar air is released out.
Choose the correct option for A and B to complete the given NCERT statement

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Correct option: C

A-inspiration; B-expiration

Option C (A-inspiration; B-expiration) is correct because breathing involves inspiration (drawing air in) and expiration (releasing air out).

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External gills, tracheae, and lungs all share which of the following sets of characteristics? A person suffers punctures in his chest cavity in an accident, without any damage to the lungs its effect could be Among vertebrates, …A… use gills whereas reptiles, birds and mammals respire through the …B… . Amphibians like frogs can respire through …C… also. Mammals have a well adapted respiratory system
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