question_answer

Aman visited a village, where he saw some farmers spraying insecticides on their crops. Aman stopped them to spray such chemicals as they are harmful.

(i) How are these chemicals harmful to mankind?

(ii) Suggest alternative methods to control pest.

(iii) What values were shown by Aman?

Answer:

(i) Chemicals like insecticides and pesticides are harmful to mankind. These toxic chemicals can cause respiratory problems cancers, skin irritation, ulcers, reproductive and endocrine disruption.

(ii) The pests can be controlled by using biopesticides. These are biological agents like pathogens, bacteria, viruses, etc. They have no negative impact on plants, non - target insects and mankind.

(iii) Aman was concerned about environment and mankind. He was knowledgeable, intelligent and kind.