Which of the following agents causing acute infectious diarrhea can be paired with the pathogenic mechanism of destruction limited to the mature villus cells of small intestine?
ARotavirus
BE. coli
CVibrio cholerae
DShigella
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
Which of the following diseases is primarily water-related?
AScabies
BYellow fever
CCholera
DDysentery
+ 7 more in the PDF
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