$A$ transgenic crop that is resistant to hornworm larvae is

What happens in the $RNAi$ ($RNA$ interference) process?

Plants,bacteria,fungi,and animals whose genes have been altered by manipulation are called $11$?

$Bacillus \text{ } thuringiensis$ \text{ } \text{bacteria contain } Bt \text{ } \text{toxin protein crystals. These do not kill the bacteria themselves because:}

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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: