Home Chemistry Biomolecules Vitamins, Hormone and Nucleic Acid Which of the following is not a constituent …
Chemistry Biomolecules Vitamins, Hormone and Nucleic Acid Single Correct MCQ
Published on: August 13, 2026

Which of the following is not a constituent of RNA

A
Ribose
B
Phosphate
C
Adenine
D
Pyridine

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Text Solution

Verified by Experts
The correct answer is:
D

Constituents of RNA are ribonucleotides. It consists of a
pentose sugar (ribose), nitrogenous base
(Adenine/Guanine/Uracil/Cytosine) and a Phosphate (P) group.

Pyridine is not the constituent of RNA

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