The first transgenic plant developed was:

Golden rice is a promising transgenic crop. When released for cultivation,it will help in

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 :

What are some of the characteristics of $Bt$ cotton?

What is the function of the $RNA$ interference $(RNAi)$ mechanism in all eukaryotic organisms?

Which catfish has become a threat to the indigenous catfish in our rivers?