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Pollution: Sewage as Cause MCQs Quiz Online Tests pdf Download

Practice MCQs on pollution: sewage as cause, biology MCQs for online test prep. Effects of human activity on ecosystem quiz has multiple choice questions (MCQ), pollution: sewage as cause quiz questions and answers as endemics include, answer key with choices as malaria, plague, cholera and typhoid for competitive exam prep. Free study guide is to learn pollution: sewage as cause quiz online with MCQs to practice test questions with answers.

MCQs on Pollution: Sewage as Cause Quiz pdf Download

MCQ. Endemics include

  1. malaria
  2. plague
  3. cholera
  4. typhoid


MCQ. Bacteria grow and multiply rapidly in

  1. aerobic environment
  2. anaerobic environment
  3. water
  4. soil


MCQ. An excellent habitat for bacterial growth is

  1. CFC based products
  2. burning of garbage
  3. untreated sewage
  4. all


MCQ. Untreated sewage may cause

  1. outbreak of epidemic
  2. cholera outbreaks
  3. typhoid outbreaks
  4. all of these


MCQ. Hydrogen sulfide (H2S) and ammonia (NH3) are produced from

  1. chimneys of factories
  2. use of CFC in foam packaging
  3. decomposition of organic compounds by anaerobic bacteria
  4. treatment of acidic wastes with alkalis


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