Which one of the following is a water borne disease?

Small pox
Malaria
Cholera
Tuberculosis

The correct answer is (c), cholera. Cholera is an acute diarrheal illness caused by infection with the bacterium Vibrio cholerae. It is spread through contaminated water or food. Symptoms include severe watery diarrhea, vomiting, and muscle cramps. If left untreated, cholera can be fatal.

Smallpox is a contagious disease caused by the variola virus. It was once a common and often fatal disease, but it has been eradicated worldwide since 1980. Symptoms include fever, headache, muscle aches, and a characteristic rash. Smallpox is spread through contact with infected people or their clothing or bedding.

Malaria is a mosquito-borne disease caused by Plasmodium parasites. It is a major cause of death and disability in many parts of the world. Symptoms include fever, chills, and anemia. Malaria is spread through the bite of infected mosquitoes.

Tuberculosis is a bacterial disease that affects the lungs. It is the leading cause of death from infectious disease worldwide. Symptoms include cough, fever, and weight loss. Tuberculosis is spread through the air when an infected person coughs or sneezes.

Cholera is a waterborne disease because it is caused by a bacterium that is found in contaminated water. The bacterium is spread through contact with contaminated water or food. Symptoms of cholera include severe watery diarrhea, vomiting, and muscle cramps. If left untreated, cholera can be fatal.