PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoWhy should preventive measures and biological control methods be preferred for protecting crops?
a. Using biological control methods and preventive measures to protect crops is not recommended as they can harm other life forms and the environment.
b. Overuse of chemicals can result in various environmental problems, including pollution.
c. Chemicals can harm the food chain, but biological control methods are harmless to other life forms.
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