Home Chemistry Biomolecules JEE ADVANCED Previous Year Question Which base is present in RNA but not in DNA?
Chemistry Biomolecules JEE ADVANCED Previous Year Question Single Correct MCQ
Published on: August 12, 2026

Which base is present in RNA but not in DNA?

A
uracil
B
cytosine
C
guanine
D
thymine

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Text Solution

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The correct answer is:
A

RNA contains cytosine and uracil as pyrimidine bases while DNA has cytosine and thymine. Both has the same purine bases i.e., guanine and adenine.

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