Which of the following is used as microtrial insecticide?
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Bacillus polymixa
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Bacillus subtilis
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Bacillus brevis
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Bacillus thuringiensis
D
Correct answer
Explanation
Bacillus thuringiensis is a bacterium widely used as a microbial insecticide due to its ability to produce crystal proteins that act as insect toxins against specific pests, making it a staple in biological pest control.