NEET 2021 · Class 12

Molecular Basis of Inheritance

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

  1. (A)mRNA
  2. (B)tRNA
  3. (C)rRNA
  4. (D)siRNA

The NCERT line that answers it

Verbatim line

All three RNAs are needed to synthesise a protein in a cell.

Chapter
Molecular Basis of Inheritance
Section
5.5.3 Types of RNA and the process of Transcription
Page
14
Words matched
34 of 34

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

5, emb=0.997, combined=0.7982). Verified: high — The span explicitly states 'All three RNAs are needed to synthesise a protein in a cell' and the context identifies those three RNAs as mRNA, tRNA, and rRNA, which directly excludes siRNA from being required for protein synthesis.

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Question text is reproduced from the published NEET 2021 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.