PRASHNIKAप्रश्निका

Which one of the following nitrogen bases is absent in RNA?

Chemistry20261 markMCQ

(a)Adenine
(b)Guanine
(c)Uracil
(d)Thymine

Answer

Answer

AI

Written by AI (gemini) - it can contain mistakes.

Correct option: (d)

Answer: (d) Thymine RNA contains the pyrimidine base uracil instead of thymine. Thymine is found exclusively in DNA.

Nucleic Acids

From ISC 2026 Chemistry Paper 1, question 1(B)(v).

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