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Which bacterium is used to control butterfly caterpillars?
ABacillus thuringiensis
BEscherichia coli
CRhizobium leguminosarum
DBacillus subtilis
Answer & Solution
Correct answer: A. Bacillus thuringiensis
Dried spores of Bacillus thuringiensis (Bt) are sprayed on plants and kill the larvae that eat them.
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