A) bio-metallurgical technique
B) bio-mineralization processes
C) bio-insecticidal plants
D) bio-fertilizers
Correct Answer: C
Solution :
Bioinsecticides are those biological agents which are used to control harmful insects. A bacterium, Bacillus thuringiensis is used for this purpose. Spores of this bacterium produce the insecticidal cry-protein. Therefore, spores, of this bacterium kill larvae of certain insects. The commercial preparations of B. thuringiensis contain a mixture of spores, cry-protein and an inert carrier.
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