Bt cotton is not

Explanation:

Bt cotton is a transgenic plant also called a genetically modified plant.

It produces resistance to insects.

Bacillus thuringiensis produces a protein that is toxic to a few insects. Protein is coded by cry gene.

This gene is inserted into several crop plants like cotton to produce transgenic cotton that is resistant to insects.

The gene is incorporated through the bacteria gene expressing system.

Final Answer:

The correct answer option is D, resistant to all pesticides because it provides resistance to insects.