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Herbicides: O Level Biology MCQs Quiz Online Tests pdf Download

Practice MCQs on herbicides: o level biology, biology MCQs for online test prep. Effects of human activity on ecosystem quiz has multiple choice questions (MCQ), herbicides: o level biology quiz questions and answers as advantages of using pesticides does not include, answer key with choices as healthier crops, better yield, more resistance in pests and more food and profit for farmers for competitive exam prep. Free study guide is to learn herbicides: o level biology quiz online with MCQs to practice test questions with answers.

MCQs on Herbicides: O Level Biology Quiz pdf Download

MCQ. Advantages of using pesticides does not include

  1. healthier crops
  2. better yield
  3. more resistance in pests
  4. more food and profit for farmers

C

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

  1. DDT
  2. 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. DDT
  2. BOD
  3. Dioxins
  4. Greenhouse effect

C

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