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Biological Oxygen Demand (BOD) is a standard criterion for

Biological Oxygen Demand (BOD) is a standard criterion for

(a)

Measuring oxygen levels in blood

(b)

Computing oxygen levels in forest ecosystems

(c)

Pollution assay in aquatic ecosystems

(d)

Assessing oxygen levels in high altitude regions

Answer:

(c)

Core Books/NCERT

Explanation

• Biochemical Oxygen Demand is an important water quality parameter which provides an index to assess the effect discharged wastewater will have on the receiving environment. • The higher the BOD value, the greater the amount of organic matter or food available for oxygen consuming bacteria. http://www.civilsdaily.com/pib-rivers-under-national-river-conservation-programme-whats-that/