Pollution Sewage as Cause MCQs Quiz Online PDF Download

Learn pollution sewage as cause MCQs, O level biology test for online courses learning and test prep to practice. Effects of human activity on ecosystem quiz has multiple choice questions (MCQ), pollution sewage as cause quiz questions and answers to learn for public high school online tests.

IGCSE biology practice test MCQ on endemics include with options malaria, plague, cholera and typhoid problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning pollution sewage as cause quiz 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 of the above


MCQ. Untreated sewage may cause

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


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

  1. the 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