Class 11

5. Body Fluids and Circulation question bank (Zoology)

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Q1.

How do parasympathetic neural signals affect the working of the heart?  

(A)
Reduce both heart rate and cardiac output.
(B)
Heart rate is increased without affecting the cardiac output.
(C)
Both heart rate and cardiac output increase.
(D)
Heart rate decreases but cardiac output increases.
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Q2.

Blood pressure in the mammalian aorta is maximum during:  

(A)
Diastole of the right ventricle
(B)
Systole of the left ventricle
(C)
Diastole of the right atrium
(D)
Systole of the left atrium
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