Home Biology Biotechnology and Its Application NCERT Which bacteria in used as biopesticide first…
Biology Biotechnology and Its Application NCERT Single Correct MCQ
Published on: August 13, 2026

Which bacteria in used as biopesticide first on the commercial scale in the world.

A
Bacillus thuringiensis
B
E-Coli
C
Pseudomonas aeruginosa
D
Agrobacterium tumefaciens

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The correct answer is:
A

The first bacteria used on a commercial scale as a biopesticide is Bacillus thuringiensis (Bt). It produces Bt toxin (Cry proteins) that specifically kills certain insect larvae, especially lepidopterans.

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