$GMO$ technology is useful for:

Given below are $2$ statements: one is labelled as Assertion $(A)$ and other is labelled as Reason $(R)$.
Assertion $(A) :-$ Toxic insecticidal protein of Bacillus thuringiensis does not kill Bacillus itself.
Reason $(R) :-$ In Bacillus,$Bt$ toxin protein exists as inactive protoxins.
Correct answer from the options given below :

Which part of the tobacco plant is infected by $Meloidogyne \ incognita$?

What happens when the $Cry$ gene is introduced into cotton?

Infestation by tobacco budworm and armyworm is prevented by $Bt$ toxin. These insects belong to which order?

The transgenic bacterium useful for cleaning up oil spills is-