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Herbicides O Level Biology MCQs Quiz Online PDF Download eBook

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MCQs on Herbicides O Level Biology PDF Download eBook

MCQ: Advantages of using pesticides include

  1. healthier crops
  2. better yield
  3. more food and profit for farmers
  4. all of above

D

MCQ: Over a period of time, mosquitoes have developed resistance to

  1. dichlorodiphenyl trichloroethane (DDT)
  2. biochemical oxygen demand (BOD)
  3. dioxins
  4. eutrophication

A

MCQ: Miscarriages in women may be due to intake of

  1. carbon dioxide
  2. polluted water
  3. water containing dioxins
  4. DDT

C

MCQ: Physical, mental abnormalities and risks of cancer are increased due to

  1. dichlorophenyl trichloroethane (DDT)
  2. biochemical oxygen demand (BOD)
  3. dioxins
  4. greenhouse effect

C