Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 4 PCB Single Correct MCQ
Published on: August 14, 2026

A novel strategy was adopted to prevent the nematode infection in the roots of tobacco plants, this strategy involves

A
Meloidegyne incognita; silencing of a specific due to a complementary RNA
B
Rhizobium; silencing of a DNA replication by the introduction of some chemical
C
Azotobacter; spraying of nematocide chemical extracted from transgenic bacteria
D
Agrobacterium; spraying of insecticidal protein on the tobacco plant

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The correct answer is:
A

A nematode Meloidegyne incognita infects the roots of tobacco plants and causes a great reduction in yield. A novel strategy was adopted to prevent this infestation was based on the process of RNA interference (RNAi). RNAi takes place in all eukaryotes as a method of cellular defence. This method involves silencing of a specific RNA due to a complementary RNA molecule that binds to and prevents translation of the (silencing).

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