Back to BREATHING AND EXCHANGE OF GASES
NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
1
Medium
1 of 1
Analyzing
+4 | -1
Assertion: in exhaled air is greater than in alveolar air.
Reason: in blood of pulmonary artery is equal to in blood of pulmonary veins.
Reason: in blood of pulmonary artery is equal to in blood of pulmonary veins.
View answer and explanation
Correct option: B
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
Option B (Both Assertion and Reason are true and Reason is not the correct explanation of Assertion) is correct because the in exhaled air is indeed greater than in alveolar air due to mixing with dead space air, and the statement about pulmonary artery and vein pressures is incorrect.
More Questions from BREATHING AND EXCHANGE OF GASES
Practice All Chapter MCQs →
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
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