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. BOD stands for __________?
  2. High biological oxygen demand indicates __________.
  3. A river with high BOD value is __________?
  4. The presence of high coliform counts in water indicates __________?
  5. Humus is:?
  6. If with minimum quantity of potassium permanganate, the pink colour of water disappears soon, then it shows that
  7. Heavy water used in nuclear reactors is
  8. The source of energy in an ecosystem is __________?
  9. Biological Oxygen Demand (BOD) is a measure of:?
  10. The plankton is:?

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