1.

What are pesticides and herbicides? Explain giving examples.

Answer»

(i) Pesticides: Those which are used to kill pests, insects which are harmful for the crops, e.g., Aldrin, Dieldrin B.H.C. etc., 

(ii) Herbicides: Those chemicals which are used to destroy weeds i.e., unwanted plants are called herbicides, e.g., sodium chlorate, sodium arsenite etc.



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