What is the full form of $GMO$?

How is biotechnology useful for increasing food production in agriculture?

Which of the following is commonly used for the transfer of foreign $DNA$ into crop plants?

$Bt$ toxin kills the insect by:

In which of the following fields is biotechnology used?
$I -$ Therapeutics $\quad$ $II -$ Diagnostics
$III -$ Genetically modified crops $\quad$ $IV -$ Traditional hybridization
$V -$ Nutritionally enhanced foods $\quad$ $VI -$ Bioremediation
$VII -$ Waste treatment $\quad$ $VIII -$ Animal poaching
$IX -$ Energy production

What is done to make cotton resistant to bollworms?