NEET UG 2020 · Botany · Question 67
NEET 2020 Botany, question 67
Question 67 of the NEET 2020 paper (code E1) is a Botany question from Molecular Basis of Inheritance. Its idea, Local Unwinding by RNA Polymerase, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.
Updated 2026-10-08
Q67 · Botany
Name the enzyme that facilitates opening of DNA helix during transcription.
- 1DNA ligase
- 2DNA helicase
- 3DNA polymerase
- 4RNA polymeraseOfficial answer
Official answer: option 4 · NTA final answer key
Same idea
The only question on Local Unwinding by RNA Polymerase
No other NEET paper from 2017–2026 tested this exact idea.
Local Unwinding by RNA Polymerase: every question and how it was framed
The chapter
Molecular Basis of Inheritance in ten years of NEET
61 questions from 2017–2026, asked in 10 of 10 papers, about 5.8 a paper. Transcription Process alone had 15.