Botany-Genetic Code

NEET Botany Genetic Code MCQ Question

Type: MCQ-fact-Medium-Class 12

What is the primary role of RNA polymerase II in the transcription process?

A

Transcribes precursor of mRNA from hnRNA

B

Synthesizes tRNA and 5S rRNA

C

Removes introns from primary transcripts

D

Polymerizes RNA in a template independent manner

Correct Answer

Option A

Detailed Explanation

RNA polymerase II is responsible for transcribing precursor of mRNA, which is the heterogeneous nuclear RNA (hnRNA). This is mentioned in the NCERT context where the roles of different RNA polymerases are outlined.

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