NEET BIOLOGY

Detailed explanation-1: -Typhoid fever (TF) and cholera are potentially life-threatening infectious diseases, and are mainly transmitted through the consumption of food, drink or water that have been contaminated by the feces or urine of subjects excreting the pathogen.

Detailed explanation-2: -Tuberculosis spreads through air. This infection spreads by inhalation of droplets by a healthy person which are expelled by a tuberculosis patient. On the other hand cholera and dysentry are water borne diseases.

Detailed explanation-3: -Water and health Contaminated water and poor sanitation are linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio.

Detailed explanation-4: -Typhoid fever is a bacterial disease spread by drinking or eating contaminated water or food.

Detailed explanation-5: -A person can get cholera by drinking water or eating food contaminated with cholera bacteria. In an epidemic, the source of the contamination is usually the feces of an infected person that contaminates water or food. The disease can spread rapidly in areas with inadequate treatment of sewage and drinking water.