Water-Borne Diseases — MCQs

A 35-year-old heterosexual patient diagnosed with HIV presents with watery diarrhea. The colonoscopic biopsy is shown below. Which of the following is your most probable diagnosis?

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?

A frequent traveler presented with 4 days of continuous fever, abdominal pain, and bradycardia. What is the best diagnostic test to confirm the pathogen?

All of the following are helminthic waterborne disease except?

Which disease is characterized by severe watery diarrhea and is associated with a toxin-producing bacterium?

A 17 year old adolescent, presented with fever since one week which is step-ladder in pattern. He also has loose stools which are "pea-soup" in consistency. Rose spots are seen on his body. He is most probably infected with:

What is the name of the defluoridation process of drinking water developed by the NEERI?

Which of the following pathogens are associated with watery diarrhea after an incubation period of 8 to 14 hours?

A person returns to Delhi from Bangladesh after 2 days and has diarrhea. Stool examination shows RBC's in stool. The likely organism causing is ?

All are zoonotic disease except -