Which of the following is a herbicide?

Give scientific reasons: $Bt$ protein cannot kill $Bacillus$.

What is the full form of $G.E.A.C.$?

What is the full form of $GEAC$?

The first genetically modified plant commercially released in India is:

Given below are two statements:
Statement $I$: $Bt$ toxins are insect group specific and coded by a gene $cry$ $IAc$.
Statement $II$: $Bt$ toxin exists as inactive protoxin in $B. \text{ thuringiensis}$. However, after ingestion by the insect, the inactive protoxin gets converted into active form due to alkaline $pH$ of the insect gut.
In the light of the above statements, choose the correct answer from the options given below: