BOD of a river water is found very high. This means water __________?

Environmental Science
Aroma Ann0

A. is clear
B. is highly polluted
C. contain Algae
D. contain many dissolved minerals

BOD (Biological Oxygen Demand or Biochemical Oxygen Demand) is the amount of dissolved oxygen, expressed in milligrams of oxygen per litre of water, consumed by micro-organisms to decompose the organic matter present in water.

Related Mcqs:

  1. A river with high BOD value is __________?
  2. The presence of high coliform counts in water indicates __________?
  3. High biological oxygen demand indicates __________.
  4. The main reason why vegetables take longer to cook in boiling water at high altitudes is because___________?
  5. Water vapour is __________?
  6. BOD stands for __________?
  7. If a steam injector fails to lift the water the trouble may not be due to
  8. The increase of temperature
  9. World Water Day is celebrated on _____________.
  10. Heavy water used in nuclear reactors is

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