$Bt$ cotton variety that was developed by the introduction of toxin gene of $Bacillus$ $thuringiensis$ $(Bt)$ is resistant to

Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of

Give information about $Bt$ cotton.

The bacterium $Bacillus$ $thuringiensis$ is widely used in modern biology as a/an:

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

The selection of the $Bt$ gene in an experiment depends on .........