CBSE Class 9 Answered
Farmers use pesticides to control weeds, insects and diseases. The chemicals which are used to eliminate weeds and insects have harmful effects on environment.
(a) What are harmful effects of pesticides on environment?
(b) Should farmers use pesticides to protect their crops from weeds, insects and diseases? Give your suggestion.
Asked by Topperlearning User | 27 Apr, 2016, 06:58: AM
Expert Answer
(a) Pesticides are non-biodegradable so they remain in soil, water as well as plants. They enter the food chain and harm the human beings and other animals.
(b) Farmers should use biological methods to control pests as they do not cause any environmental pollution. As possible, farmers should avoid the use of pesticides. It is our responsibility to keep our environment pollution free.
Answered by | 27 Apr, 2016, 08:58: AM
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