KVPY SX SB Exam 2015 Question Paper

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Question : 65 of 120

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The two components of autonomous nervous system have antagonistic actions. But in certain cases their effects are mutually helpful. Which of the following statement is correct?

At rest, the control of heart beat is not by the vagus nerve
During exercise the sympathetic control decreases
During exercise the parasympathetic control decreases
Stimulation of sympathetic system results in constriction of the pupil

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