Chem Mantra
HomeCoursesOnline TestsForum
ForumQuestion BankBiological Oxygen Demand (BOD) is a measure of …
MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryEnvironmental ChemistryPrevious Year Questions

Biological Oxygen Demand (BOD) is a measure of (AIIMS 2003)

A.amount of oxygen needed by green plants during
B.amount of carbon monoxide inseparably combined
C.industrial wastes poured into water bodies
D.extent to which water is polluted with organic✓ Correct
Explanation

BOD is a measure of extent to which water is polluted with organic compounds.

Back to Question Bank

Practice More Like This

Take chapter-wise tests, track your progress, and master Environmental Chemistry.

Start Free Practice →
Sponsored

Master Chemistry for JEE, NEET & IChO

Access 19,000+ solved questions with expert explanations, chapter-wise tests, and full video lectures — all in one platform.

IChO (Chemistry Olympiad)
Explore Courses →Sign In Free