question_answer 30)

  Among the given options, which one is not correct for the use of large amount of fertilizers and pesticides? (a) They are eco-friendly (b) They turn the fields barren after some time (c) They adversely affect the useful component from the soil (d) They destroy the soil fertility

Answer:

  (a) Use of pesticides and fertilizers over long period of time can destroy soil fertility or soil structure by killing the soil microorganism that recycle nutrients in the soil. It also kills earthworms which are instrumental in making rich humus.