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Environmental Issues — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
'Biological Oxygen Demand' $\text{(BOD)}$ is a measure of:
  • A
    Industrial wastes poured into water bodies.
  • ✓
    Extent to which water is polluted with organic compounds.
  • C
    Amount of carbon monoxide inseparably combined with haemoglobin.
  • D
    Amount of oxygen needed by green plants during night.
✓

Answer

Correct option: B.
Extent to which water is polluted with organic compounds.

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