(d) A.K. Bannerji
2.9Which one of the following statements pertaining to pollutants is correct?
(a) DDT is a non-biodegradable pollutant.
(b) Excess fluoride in drinking water causes osteoporosis.
(c) Excess cadmium in drinking water causes black foot disease.
(d) Methyl mercury in water may cause "Itai-itai” disease.
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Answer: The correct option for your question is (a) DDT is an non biodegradable pollutant.
Explanation :
DDT or Dichlorodiphenyltrichloroethane
Is a chemical compound synthesised by human by humans and it was used as a insecticide but it proved to be dangerous for the environment as it was non biodegradable pollutant and its use in agricultural activities was discouraged .
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