Pollution BOD and Eutrophication MCQs Quiz Online PDF Download

Learn pollution bod and eutrophication 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 bod and eutrophication quiz questions and answers to learn for online tests with web student portal.

IGCSE biology practice test MCQ on higher bod with options lower water pollution, lesser bacteria in it, more water pollution and more air pollution problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning pollution bod and eutrophication quiz with MCQs to practice test questions with answers.

MCQs on Pollution BOD and Eutrophication Quiz PDF Download

MCQ. Higher BOD

  1. the lower the water pollution
  2. the lesser the bacteria in it
  3. the more the water pollution
  4. the more the air pollution


MCQ. Narrow tolerance of oxygen (O2) is found in

  1. humans
  2. plants
  3. mammals
  4. fish


MCQ. BOD measures the

  1. amount of bacteria in a given sample of water
  2. amount of algae being decomposed in a given sample
  3. amount of oxygen bacteria need to decompose organic matter in a given sample
  4. amount of oxygen bacteria need to decompose organic matter in a given sample in a fixed period of ti


MCQ. BOD refers to the

  1. Bidding of Dermatology
  2. Binding of Dirt
  3. Biochemical occupied Date
  4. Biochemical Oxygen demand


MCQ. Fish die as a result of water pollution due to

  1. less BOD
  2. more tolerance range for oxygen
  3. narrow tolerance range for oxygen
  4. zero tolerance range for oxygen