Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ
Published on: August 12, 2026

Chilled ethanol is used for –

A
Precipitation of DNA
B
Precipitation of RNA
C
Remove of proteins
D
Digestion of RNA

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Text Solution

Verified by Experts
The correct answer is:
A

Reason: In DNA isolation, chilled ethanol is added to precipitate (separate) DNA from the aqueous solution, making it visible as white threads.

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