NEET UG 2021 · Botany · Question 101
NEET 2021 Botany, question 101
Question 101 of the NEET 2021 paper (code O1) is a Botany question from Biotechnology: Principles and Processes. Its idea, DNA Precipitation with Chilled Ethanol, was asked 3 times, in 2019, 2021 and 2023, across NEET 2017–2026. The NTA final answer key gives option 4.
Updated 2026-10-08
Q101 · Botany
During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out :
- 1Histones
- 2Polysaccharides
- 3RNA
- 4DNAOfficial answer
Official answer: option 4 · NTA final answer key
Same idea
DNA Precipitation with Chilled Ethanol, in other papers
NEET asked this idea 3 times, in 2019, 2021 and 2023. The other 2 questions below.
- 2023 Q121During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates outOne-line MCQ · Medium
- 2019 Q122DNA precipitation out of a mixture of biomolecules can be achieved by treatment with :One-line MCQ · Easy
DNA Precipitation with Chilled Ethanol: every question and how it was framed
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.