Cry 1 endotoxins obtained from Bacillus Thuringiensis are effective against
A. mosquitoes
B. flies
C. nematodes
D. bollworms

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1 Answers

Correct Answer - B
Cry-I endotoxins obtained from Bacillus thuringiensis are effective against flies (insects). Protein, which forms crystalline inclusion in the bacterial spores. These crystal proteins are responsible for the insecticidal activities of the bacterial strains.

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