A child with fever with abdominal cramps & pus in stools, causative organism is ?
AEHEC
BETEC
CEAEC
DEPEC
All of the following statements about purification of water are true except:
ASodium thiosulphate is used to neutralize residual chlorine in water samples
BColiforms must not be detectable in any 100 ml sample of drinking water
CColiforms may be detected by multiple tube method and indole production
DPresence of Clostridial spores indicates recent contamination of water
All are methods of sterilization except.
AFiltration
BHeat
CGases
DSunlight
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