NEET 2023 · Class 12

Principles of Inheritance and Variation

Broad palm with single palm crease is visible in a person suffering from-

  1. (A)Turner's syndrome
  2. (B)Klinefelter's syndrome
  3. (C)Thalassemia
  4. (D)Down's syndrome

The NCERT line that answers it

Verbatim line

Palm is broad with characteristic palm crease.

Chapter
Principles of Inheritance and Variation
Section
4.8.3 Chromosomal Disorders
Page
25
Words matched
7 of 7

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 'Palm is broad with characteristic palm crease' directly and specifically describes a physical feature of Down's syndrome, which matches the MCQ's description of 'broad palm with single palm crease' and conclusively identifies Down's syndrome as the correct answer.

We did this for 1,565 questions.

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.