Pollution Sewage as Cause Multiple Choice Questions Online pdf eBooks Download

Learn pollution sewage as cause MCQs, online O level biology MCQ for 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 help with choices as malaria, plague, cholera and typhoid problem solving for viva, competitive exam preparation, interview questions. Free study guide is to practice 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