NEET Biology Body Fluids And Circulation Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Body Fluids And Circulation Topic Based

Question & Answer Discuss:

The diagram given here is the standard ECG of a normal person. The P-wave represents the

body-fluids-and-circulation-class-11-Chapter-18-neet-mcq-9-138-45

(a) Initiation of the ventricular contraction

(b) Contraction of both the atria

(c) Beginning of the systole

(d) End of systole

Answer: (b)

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