NEET 2000 · Class 11

Chemical Coordination and Integration

Melatonin is secreted by

  1. (A)pineal body
  2. (B)skin
  3. (C)pituitary gland
  4. (D)thyroid

The NCERT line that answers it

Verbatim line

Pineal secretes a hormone called **melatonin**.

Chapter
Chemical Coordination and Integration
Section
19.2.3 The Pineal Gland
Page
3
Words matched
6 of 6

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 'Pineal secretes a hormone called melatonin,' which directly and conclusively identifies the pineal body as the source of melatonin, matching the correct answer.

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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 2000 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.