Golden rice is a genetically modified crop plant. Which of the following is synthesized by the gene inserted into it?

The toxin proteins isolated from $Bacillus$ $thuringiensis$, coded by which of the following genes would control cotton bollworms and corn borer, respectively?

Given below are two statements:
Statement-$I$: In $\text{pBR}-322$,the restriction site of $\text{BamHI}$ is present on the $\text{Ampicillin}$ resistance gene.
Statement-$II$: $\text{RNAi}$ technique was used in the formation of nematode-resistant plants.
In the light of the above statements,choose the correct answer from the options given below:

The $Bt$ toxin genes $cryIAc$ and $cryIIAb$ are responsible for controlling which of the following?

Which process is useful in pest resistance plant?

What is the most important aspect of biotechnology in the field of agricultural production?