Q1. Banka-Patti of Rajasthan suffers from the problem of:
Explanation
Banka-Patti is cited in Rajasthan geography for the problem of excess fluoride in groundwater, which affects drinking water quality and can cause fluorosis. Limestone is a mineral resource or rock type, not the specific public-health problem asked here. Drought and famine are broad environmental hazards of arid Rajasthan, but they are not the named problem of Banka-Patti in this question. Air pollution is usually linked with urban-industrial or mining belts; it is not the standard association for Banka-Patti.
