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COMEDK2015ChemistryEnvironmental Chemistry

BOD is a measure of

Options

  1. Aozone depletion in the stratosphere due to too many free radicals.
  2. Bsuspended particulate matter in the air causing lung problems.
  3. Cpesticides which are non-biodegradable in the soil and water.
  4. Dorganic material present in water needing dissolved oxygen to break them down depleting oxygen content in wate

Correct answer

D. organic material present in water needing dissolved oxygen to break them down depleting oxygen content in wate

Step-by-step solution

BOD is a measure of organic material present in water needing dissolved oxygen for decomposition Hence, depleting the oxygen content in water.

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