NEET Questions Solved


Biochemical oxygen demand is

  1. Directly proportional to Biodegradable organic matter
  2. Inversely proportional to Biodegradable organic matter
  3. Depends on direction of flow
  4. Directly proportional to dissolved oxygen

Page number 275

16.2 Water Pollution and It's control

16.2.1 Domestic Sewage and Industrial Effluents

Environmental Issues

 

Difficulty Level:

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