Home Biology Biotechnology Principles and Processes NCERT During isolation of DNA, addition of which o…
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 14, 2026

During isolation of DNA, addition of which of the following causes precipitation of purified DMA?

A
Chilled ethanol
B
Ribonuclease enzyme
C
DMA polymerase
D
Proteases

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The correct answer is:
A

During DNA isolation, chilled ethanol is added to precipitate purified DNA, making it visible as white strands that can be collected.

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