NEET 2025 · Class 12

Molecular Basis of Inheritance

Histones are enriched with -

  1. (A)Phenylalanine & Leucine
  2. (B)Phenylalanine & Arginine
  3. (C)Lysine & Arginine
  4. (D)Leucine & Lysine

The NCERT line that answers it

Verbatim line

Histones are rich in the basic amino acid residues lysine and arginine.

Chapter
Molecular Basis of Inheritance
Section
5.1.2 Packaging of DNA Helix
Page
4
Words matched
12 of 12

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 'Histones are rich in the basic amino acid residues lysine and arginine,' which directly matches and conclusively proves option C.

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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 2025 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.