NEET 2023 · Class 11

Breathing and Exchange of Gases

Vital capacity of lung is

  1. (A)IRV + ERV + TV + RV
  2. (B)IRV + ERV + TV - RV
  3. (C)IRV + ERV + TV
  4. (D)IRV + ERV

The NCERT line that answers it

Verbatim line

**Vital Capacity (VC):** The maximum volume of air a person can breathe in after a forced expiration.

Chapter
Breathing and Exchange of Gases
Section
14.2 MECHANISM OF BREATHING
Page
6
Words matched
38 of 38

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 'This includes ERV, TV and IRV', which directly matches option C (IRV + ERV + TV) and distinguishes it from other options.

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Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

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Question text is reproduced from the published NEET 2023 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.