Question

Which one of the following statement pertaining to pollution is correct?

• A. DDT is a non-biodegradable pollutant
• B. Excess flouride in drinking water causes minmata
• C. Excess cadmium in drinking water causes black foot disease
• D. Methylmercury in water may cause 'Itai-Itai'

Answer 1

The correct option is A DDT is a non-biodegradable pollutant

DDT was one of the first chemicals in widespread use as a pesticide. It is a non-biodegradable pollutant.
Excess flouride in drinking water causes dental and skeletal flourosis.
Excess arsenic in drinking water causes black foot disease.
Methylmercury in water may cause minmata disease.