Question
GSEasyPrelims 2017Environment & Ecology

Biological Oxygen Demand (BOD) is a standard criterion for -

Explanation

Biological Oxygen Demand (BOD) is a standard criterion for assessing the quality of water.

Microbial activity: BOD measures the amount of dissolved oxygen used by microorganisms (like bacteria) as they decompose organic matter in water.

Pollution indicator: Higher BOD indicates a greater presence of organic matter, often suggesting pollution from sources like sewage, animal waste, or decaying plants.

Aquatic life impact: Excessive organic matter decomposition can deplete oxygen levels in water, harming aquatic life that depends on dissolved oxygen for survival.

Therefore, BOD serves as a valuable tool for monitoring water quality and identifying potential pollution issues.

BOD vs. COD

BOD vs. COD

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