NEET UG · Biology · Biotechnology: Principles and Processes
DNA Precipitation with Chilled Ethanol
NEET asked DNA Precipitation with Chilled Ethanol 3 times, in 2019, 2021 and 2023: 3 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Restriction Enzymes, in Biotechnology: Principles and Processes (Biology). The longest wait between two papers asking it was 2 years.
Updated 2026-10-08
- Times asked
- 3
- in 2017–2026
- Papers
- 3
- of 10
- First asked
- 2019
- last in 2023
- Chance next paper
- 6%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2019, 2021 and 2023.
How NEET framed it
One-line MCQ is the usual form. Skill tested: recall.
- Identify what a reagent precipitates
- Identify product precipitated in purification
Chance asked next paper 6%
Every question
All 3 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2023 Q121During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates outOne-line MCQ · Medium
- 2021 Q101During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out :One-line MCQ · Easy
- 2019 Q122DNA precipitation out of a mixture of biomolecules can be achieved by treatment with :One-line MCQ · Easy
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