Which one of the following statements pertaining to pollutants is correct? - Biology MCQ Biology | ExamTest.live | ExamTest.live

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Which 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 $methylmercury in water may cause "Itai Itai" disease.$

Solution & Step-by-step Explanation

DDT (dichloro-diphenyl-trichloroethane) is a classic example of a non-biodegradable pollutant that persists in the environment for long periods.Excess fluoride causes skeletal fluorosis, not simple osteoporosis.Cadmium causes Itai-Itai disease, while arsenic causes black foot disease.Methylmercury causes Minamata disease.

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Which 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

methylmercury in water may cause "Itai Itai" disease.

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