Q. Which of the following statement pertaining to pollutants is correct?
A) DDT is 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
Explanation
$DDT,BHC,PCBs,$ etc are non-biodegradable pollutants, which are not degraded easily and are long lasting in the environment.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.