Concept:Bt cotton is a crop that has been genetically modified by inserting genes from the bacterium
Bacillus thuringiensis to produce insect-killing proteins.
Explanation:Transgenic plants have foreign DNA added through biotechnology.
Bt cotton is a transgenic plant because it contains genes from
Bacillus thuringiensis (Bt).
These genes make the cotton plant produce a toxic protein that kills specific insect pests like the pink bollworm.
The protein is harmless to humans and animals.
Bt cotton is the only genetically modified (GM) crop approved for cultivation in India.
It reduces the need for chemical pesticides.
Thus, Bt cotton is not a hybrid, natural, or medicinal plant — it is a transgenic plant.
Answer:B. a transgenic plant