Zoology-Cardiac Cycle
NEET Zoology Cardiac Cycle MCQ Question
Type: MCQ-fact-Medium-Class 11
What occurs when the ventricular pressure falls during the cardiac cycle?
A
The semilunar valves close to prevent backflow.
B
The atria contract to push blood into the ventricles.
C
Blood is ejected from the ventricles into the arteries.
D
The tricuspid and bicuspid valves close tightly.
Correct Answer
Option A
Detailed Explanation
As the ventricular pressure declines, the semilunar valves close to prevent the backflow of blood into the ventricles, according to the NCERT context on the cardiac cycle.
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