Question

Diseases like typhoid, cholera and jaundice are spread through ______________.

• A. water
• B. soil
• C. mosquito
• D. air

Answer 1

The correct option is B

Explanation of the correct answer:

1. Typhoid, cholera, and jaundice are caused due to improper disposal of waste material in water bodies.
2. The contaminated water body acts as a breeding ground for various disease causing agents.
3. Typhoid and cholera are water borne bacterial diseases and jaundice is a viral disease that is also caused by intake of contaminated water.

Explanation of the incorrect answers:

Option A:

1. Tetanus, a bacterial disease and helminthic diseases like ascariasis spread through soil.
2. The causal organisms of such diseases live in soil.
3. The causal organisms of typhoid, cholera and jaundice live in water.

Option C:

1. In certain protozoan diseases mosquitoes act as vectors.

2. Such diseases are spread by mosquitoes.

3. Examples include malaria, dengue, etc.

Option D:

1. The diseases that are spread by aerosols are spread by the air.

2. These include common cold, COVID, chicken pox, tuberculosis, etc.

Final answer: Diseases like typhoid, cholera and jaundice are spread through water.