Which of the following diseases can a person suffer from by drinking contaminated water?
Small pox
Cholera
Malaria
None of these
Cholera is the disease that a person can suffer from by drinking contaminated water. The other diseases are not caused by drinking contaminated water.
Which of the following disease cannot be caused by drinking of river water contaminated with untreated sewage?
(a) cholera
(b) typhoid
(c) tuberculosis
(d) diarrhoea
Under which of the following conditions is a person most likely to fall sick?
(a) when she is recovering from malaria.
(b) when she has recovered from malaria and is taking care of someone suffering from chicken-pox.
(c) when she is on a four-day fast after recovering from malaria and is taking care of someone suffering from chicken-pox.
Why?