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

The inactive form of $Bt$ toxin is converted to the active form in the insect gut $ . . . . . . $.

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

The vector commonly used for transformation in crop plants is ......

Bacillus thuringiensis $(Bt)$ strains have been used for designing novel:

Consider the following statements:
$I$. Flavr Savr is a genetically modified tomato,which remains fresh and retains its flavour much longer than the normal tomato due to the blocking of the synthesis of the fruit-softening enzyme polygalacturonase.
$II$. Recently,the $US$ government has patented the Indian 'basmati' rice as Rice-tec.
$III$. Viruses,bacteria,and some other harmful organisms can be used as bioweapons in biological warfare.
Which of the statements given above are correct?