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Which bacterium is used as a microbial biocontrol agent against butterfly caterpillars?
ABacillus thuringiensis
BAzotobacter chroococcum
CAcetobacter aceti
DMethanobacterium
Answer & Solution
Correct answer: A. Bacillus thuringiensis
Bacillus thuringiensis (Bt) kills insect larvae such as butterfly caterpillars.
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