Paper 1 · People, Development & Environment
UGC NET 02nd Jan 2026 Shift 1
The Black-foot disease is caused by the contamination of ________ in drinking water.
AArsenic ✓ Correct
BCadmium
CMercury
DLead
Correct answer: (A) Arsenic — Black foot disease, a condition that damages the blood vessels in the feet, is caused by long term exposure to arsenic in drinking water. Cadmium, mercury and lead cause other…
Explanation
★Black foot disease, a condition that damages the blood vessels in the feet, is caused by long term exposure to arsenic in drinking water. Cadmium, mercury and lead cause other types of poisoning, so arsenic is the answer.
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