NEET 2025 · Class 12

Molecular Basis of Inheritance

Match List-I with List-II List - I A. Adenosine B. Adenylic acid C. Adenine D. Alanine List - II I. Nitrogen base II. Nucleotide III. Nucleoside IV. Amino acid Choose the option with all correct matches.

  1. (A)A-III, B-II, C-I, D-IV
  2. (B)A-II, B-III, C-I, D-IV
  3. (C)A-III, B-IV, C-II, D-I
  4. (D)A-III, B-II, C-IV, D-I

The NCERT line that answers it

Verbatim line

A nitrogenous base is linked to the OH of 1' C pentose sugar through a N-glycosidic linkage to form a nucleoside, such as adenosine or deoxyadenosine, guanosine or deoxyguanosine, cytidine or deoxycytidine and uridine or deoxythymidine.

Chapter
Molecular Basis of Inheritance
Section
5.1.1 Structure of Polynucleotide Chain
Page
1
Words matched
84 of 84

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

8333, emb=1.0, combined=0.9333). Verified: high — The span explicitly states that adenosine is a nucleoside, which directly matches A-III in the correct answer, and this is the specific distinguishing fact needed to confirm that match.

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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.