Question

Select the pair of diseases that are caused by contaminated water.​

• A. Malaria and pneumonia​
• B. Cholera and typhoid​
• C. Diarrhoea and common cold​
• D. Pneumonia and typhoid​

Answer 1

The correct option is B Cholera and typhoid​

• Diseases are transmitted from an infected to a healthy person through different modes of transmission.
• In air-borne disease the infectious pathogen is transmitted through air. Examples of air-borne diseases are tuberculosis, chickenpox etc,.
• Water-borne disease is caused by contaminated water. Examples of water-borne diseases are cholera, typhoid, hepatitis A etc,.