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  9. Q44

OPSC OCS 2020 · Question 44 of 66

Biochemical oxygen demand of water is a measure of :

Science & Tech

  1. AWater nirate level
  2. BWater phosphate level
  3. CWater organic loadCorrect
  4. DWater pesticide load

Answer: C. Water organic load

Explanation

See Apti Plus solved paper.

Source: OPSC OCS Prelims 2020 GS Paper-I; answers per Apti Plus unofficial key

← Q43View full paper (66 questions)Q45 →

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