NEET Zoology Cardiac Cycle Match the Following Question
Match Column-I with Column-II.
Column-I Column-II (a) Atrial Systole (i) Closure of tricuspid and bicuspid valves (b) Ventricular Diastole (ii) Blood flowing into ventricles (c) Semilunar Valve Opening (iii) Blood ejected into aorta and pulmonary artery (d) Ventricular Systole (iv) Atria filling with blood
Choose the correct matching:
a-iv, b-ii, c-iii, d-i
a-ii, b-iv, c-i, d-iii
a-iii, b-i, c-ii, d-iv
a-ii, b-iii, c-iv, d-i
Correct Answer
Detailed Explanation
During the cardiac cycle, atrial systole occurs when the atria contract, allowing blood to fill the ventricles (a-iv). Ventricular diastole occurs next as the ventricles fill with blood (b-ii). The semilunar valves open during ventricular systole to allow blood to be ejected into the aorta and pulmonary artery (c-iii), while the closure of tricuspid and bicuspid valves happens at the start of ventricular systole (d-i).
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