Which of the following RNAs is not required for the synthesis of protein ?

1. mRNA

2. tRNA

3. rRNA

4. siRNA

Doubtly Asked 30 Oct 2026 NEET UG 2021 Practice test neet Save WhatsApp Report

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Answer: 4. siRNA

Protein synthesis (translation) needs mRNA (template), tRNA (carries amino acids) and rRNA (ribosome structure and catalysis).

siRNA is involved in RNA interference (gene silencing), not in making protein, so it is not required.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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