Home Biology Body Fluids and Circulation NCERT ECG depicts the depolarisation and repolaris…
Biology Body Fluids and Circulation NCERT Single Correct MCQ
Published on: August 14, 2026

ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal/healthy individual, one of the following waves is not represented.

A
Depolarisation of atria
B
Repolarisation of atria
C
Depolarisation of ventricles
D
Repolarisation of ventricles

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A normal ECG has P-wave that represents atrial depolarisation, QRS complex-ventricular depolarization, T-wave ventricular repolarisation. Therefore, atrial repolarisation is not represented in an electrocardiogram (ECG).

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