NEET Zoology Heart & Circulation Match the Following Question
Match Column-I with Column-II.
Column-I Column-II (a) Sino-atrial Node (i) Prevents backward flow of blood (b) Atrial Systole (ii) Average heart rate (c) Stroke Volume (iii) Initiates cardiac rhythm (d) Atrioventricular Valve (iv) Volume of blood pumped per beat
Choose the correct matching:
a-iii, b-i, c-iv, d-ii
a-ii, b-iii, c-i, d-iv
a-i, b-ii, c-iii, d-iv
a-iii, b-iv, c-ii, d-i
Correct Answer
Detailed Explanation
The Sino-atrial Node is known as the pacemaker of the heart, initiating cardiac rhythm (a-iii). Atrial Systole refers to the contraction of the atria (b-i), while Stroke Volume is the volume of blood pumped by the heart per beat (c-iv). The Atrioventricular Valve prevents the backward flow of blood (d-ii).
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