'Sporeine' is a

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(D) 'Sporeine' is a commercial preparation of the bacterium $Bacillus 	ext{ } thuringiensis$ $(Bt)$.It contains the spores and the toxic protein crys

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Insecticide

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(D) 'Sporeine' is a commercial preparation of the bacterium $Bacillus 	ext{ } thuringiensis$ $(Bt)$.It contains the spores and the toxic protein crystals produced by the bacterium.When these spores are ingested by insect larvae, the toxin is released in the gut, which kills the larvae.Therefore, it is used as a biological control agent against insect pests, making it an insecticide.

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