NEET 2011 · Class 11

Breathing and Exchange of Gases

Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of

  1. (A)epiglottis
  2. (B)diaphragm
  3. (C)neck
  4. (D)tongue

The NCERT line that answers it

Verbatim line

During swallowing glottis can be covered by a thin elastic cartilaginous flap called epiglottis to prevent the entry of food into the larynx.

Chapter
Breathing and Exchange of Gases
Section
14.1 RESPIRATORY ORGANS
Page
3
Words matched
23 of 23

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 that the epiglottis prevents food entry into the larynx during swallowing, which directly explains why improper movement would cause coughing.

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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 2011 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.