NEET UG 2020 · Zoology · Question 7
NEET 2020 Zoology, question 7
Question 7 of the NEET 2020 paper (code E1) is a Zoology question from Biotechnology: Principles and Processes. Its idea, Exo vs Endonucleases, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q7 · Zoology
Choose the correct pair from the following :
- 1Ligases - Join the two DNA moleculesOfficial answer
- 2Polymerases - Break the DNA into fragments
- 3Nucleases - Separate the two strands of DNA
- 4Exonucleases - Make cuts at specific positions within DNA
Official answer: option 1 · NTA final answer key
Same idea
The only question on Exo vs Endonucleases
No other NEET paper from 2017–2026 tested this exact idea.
The chapter
Biotechnology: Principles and Processes in ten years of NEET
46 questions from 2017–2026, asked in 10 of 10 papers, about 4.4 a paper. Restriction Enzymes alone had 22.