Official Answer Key & Detailed Solution
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Correct Answer: Option (D) — Fluorosis
Concept & Option Breakdown
Standard Reference VerifiedCholera, typhoid, and infective hepatitis (jaundice) are water-borne infectious diseases caused by microbial contamination commonly found in surface and shallow groundwater. Fluorosis is a geochemical disorder caused by excess fluoride leaching into deeper aquifer layers, typically extracted via deep borewells rather than shallow hand pumps.
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