Increase in concentration of pollutant by the process of food chain is called:
A
eutrophication
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B
bio-amplification
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C
defluoridation
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D
biological oxidation
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Solution
The correct option is A bio-amplification A) Eutrophication is the enrichment of an ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus or both.
B) Bio-amplification is the accumulation of toxic pollutants in an animal.
C) Defluoridation refers to methods of water treatment that reduce the concentration of fluoride in the water.
D) Biological oxidation is that oxidation which occurs in biological systems.