Home Chemistry Biomolecules Vitamins, Hormone and Nucleic Acid The base present in DNA, but not in RNA is
Chemistry Biomolecules Vitamins, Hormone and Nucleic Acid Single Correct MCQ
Published on: August 14, 2026

The base present in DNA, but not in RNA is

A
Guanine
B
Adenine
C
Uracil
D
Thymine

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Text Solution

Verified by Experts
The correct answer is:
D

The nitrogenous base present in DNA and not in RNA is thymine.
There are two types of nitrogenous bases found in DNA and RNA. They are purines and pyrimidines.
Purines consist of adenine and guanine.
Pyrimidines consist of cytosine, uracil and thymine.
Both adenine and guanine can be found in DNA and RNA. But, among pyrimidines, DNA consists of cytosine and thymine, and RNA consists of cytosine and uracil.

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