NEET 2023 Model Paper 1

Question : 170 of 200

Marks: +1, -0

Select the correct statement among the following given options.

A nematode, Meloidogyne incognita infects the stems of tobacco plants and causes an increase in yield.
RNAi involves silencing of a specific mRNA due to a complementary dsDNA molecule that binds to and prevents translation of the mRNA.
Bt toxin protein exists as an inactive protoxin but once an insect ingests the inactive toxin, it is converted into an active form due to the alkaline pH of midgut which solubilises the crystals.
Proteins encoded by the genes crylAc and cryllAb control the corn borer.

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