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प्रश्न
Give any two examples of the application of biopesticides.
अति संक्षिप्त उत्तर
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उत्तर
(1) Bacillus thuringiensis is sprayed on crops such as mustard or fruit trees; caterpillars ingest it while feeding, and its toxin kills them.
(2) The cochineal insect has been used to control the spread of Opuntia cactus.
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पाठ 14: Microbes in Human Welfare - EXERCISES [पृष्ठ ७६२]
