Re-NEET 2026 · Question 167 · Class 12

Molecular Basis of Inheritance

167. Which of the following enzymes synthesizes precursor mRNA?

  1. (A)RNA polymerase I
  2. (B)RNA polymerase II
  3. (C)RNA polymerase III
  4. (D)DNA polymerase

The NCERT line that answers it

Verbatim line

The RNA polymerase II transcribes precursor of mRNA, the **heterogeneous nuclear RNA (hnRNA)**.

Chapter
Molecular Basis of Inheritance
Section
5.5.3 Types of RNA and the process of Transcription
Page
16
Words matched
13 of 13

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

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that RNA polymerase II transcribes precursor of mRNA (hnRNA), which directly answers the question.

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Question text is reproduced from the published Re-NEET 2026 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.