Assertion: RNAi technique helps to prevent the infestation …

Biology Biotechnology and Its Application Assertion & Reason Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 20, 2026

Assertion: RNAi technique helps to prevent the infestation of roots in tobacco plants by Meloidogyne incognita.

Reason: RNAi takes place in all eukaryotic organisms as a method of cellular defence.

Both Assertion and Reason are true and Reason is correct explanation of Assertion.

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.

Assertion is true, but Reason is false.

Assertion is false, but Reason is true.

Text Solution

Verified by Experts

The correct answer is:

Assertion: RNAi helps protect tobacco plants from the root-knot nematode Meloidogyne incognita.

Reason: RNAi occurs in eukaryotes as a cellular defense mechanism.

However, the prevention of infestation is specifically due to silencing of essential nematode genes by dsRNA produced in the transgenic plant, not merely because RNAi is a defense mechanism.

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