Q. “Blackfoot disease” is often seen in news is due to contamination of water with which of the following?

[A] Arsenic

[B] Cadmium

[C] Nitrate

[D] Uranium

Answer: A

Explanation: Blackfoot disease is an endemic peripheral vascular disease found among the inhabitants of a limited area on the southwest coast of Taiwan, where artesian well water with a high concentration of arsenic has been used for more than eighty years.