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Bt cotton variety that was developed by the introduction of toxin gene of $Bacillus\ thuringiensis$ (Bt) is resistant to:
A
Fungal diseases
B
Plant nematodes
C
Insect predators
D
Insect pests
Detailed Solution
Bt cotton contains $cry$IAc and $cry$IIAb genes from $Bacillus\ thuringiensis$, which protect it from the cotton bollworm.
So it is resistant to insect pests (it acts as a biopesticide).