NEET 2019 · Class 11

Body Fluids and Circulation

Match the Column-I with Column-II. Column-I | Column-II (a) P-wave | (i) Depolarisation of ventricles (b) QRS complex | (ii) Repolarisation of ventricles (c) T-wave | (iii) Coronary ischemia (d) Reduction in the size of T-wave | (iv) Depolarisation of atria | (v) Repolarisation of atria Select the correct option.

  1. (A)(a)
  2. (B)(b)
  3. (C)(c)
  4. (D)(d)

The NCERT line that answers it

Verbatim line

The P-wave represents the electrical excitation (or depolarisation) of the atria, which leads to the contraction of both the atria.

Chapter
Body Fluids and Circulation
Section
15.3.3 Electrocardiogram (ECG)
Page
8
Words matched
20 of 20

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'The P-wave represents the electrical excitation (or depolarisation) of the atria', which directly matches option (a) P-wave with (iv) Depolarisation of atria, making option A correct.

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Question text is reproduced from the published NEET 2019 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.