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. thurmgiensis contain a mixture of spores, cry- protein and an inert carrier.
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