In water testing from a well using Horrock's apparatus, blue color appears from the 4th cup onwards. What is the amount of bleaching powder required to disinfect 75000 litres of water?
A1600 gm
B2000 gm
C1300 gm
D100 gm
A frequent traveler presented with 4 days of continuous fever, abdominal pain, and bradycardia. What is the best diagnostic test to confirm the pathogen?
AWidal test
BBlood culture
CUrine culture
DStool culture
All of the following are helminthic waterborne disease except?
AHydatid cyst
BRoundworm
CGiardiasis
DThreadworm
+ 7 more in the PDF
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