Pollution BOD and Eutrophication MCQs Test Online PDF Download

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MCQ on Pollution BOD and EutrophicationQuiz 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

C

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

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

D

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

D

MCQ: BOD refers to the

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

D

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

C