1.

Diseases like cholera, typhoid and jaundice are caused due to(a) polluted air(c) polluted water□□(b) polluted land(d) polluted soil

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Ans :- (c) polluted waterCholerais a waterbornedisease, which iscaused bybacterium Vibrio cholerae. The spreading ofthis diseaseis mainly through contaminated drinking water. Typhoidis an acute systemicdisease of Salmonella typhi, which used to be transmitted by the fecal-oral route through contaminated food and water



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