Home Biology Biotechnology and Its Application Previous Year Questions Tobacco plants resistant to a nematode have …
Biology Biotechnology and Its Application Previous Year Questions Single Correct MCQ
Published on: August 21, 2026

Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)

A
A particular hormone
B
An antioxidant
C
A toxic protein
D
Both sense and anti-sense RNA

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The correct answer is:
D

In RNA interference (RNAi), the introduced DNA produces both sense and antisense RNA, which form dsRNA and silence the nematode's essential genes.

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