Zoology-Heart & Circulation
NEET Zoology Heart & Circulation Match the Following Question
Type: Match the Following-match the column-Hard-Class 11
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Sino-atrial Node | (i) Depolarisation of the ventricles |
| (b) QRS Complex | (ii) Atrial contraction |
| (c) Stroke Volume | (iii) Heart's pacemaker |
| (d) Atrial Systole | (iv) Volume of blood pumped per beat |
A
a-iii, b-i, c-iv, d-ii
B
a-ii, b-iii, c-i, d-iv
C
a-i, b-ii, c-iii, d-iv
D
a-iv, b-iii, c-ii, d-i
Correct Answer
Option A
Detailed Explanation
The Sino-atrial Node is known as the heart's pacemaker (a-iii), the QRS Complex corresponds to the depolarisation of the ventricles (b-i), Stroke Volume refers to the volume of blood pumped out by each ventricle per beat (c-iv), and Atrial Systole is the phase of atrial contraction (d-ii).
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