Question

Which of the following statements is correct?
A. Common Cold – Droplet infection
B. Typhoid – Contaminated food and water
C. AIDS – Shaking hands
D. Ringworms – Using infected towels

Answer 1

Hint:Diseases that can be transferred from one person to another through the air, water, wind, and animals are called communicable diseases. Common cold, typhoid, ringworms, and filariasis are some examples of communicable diseases.

Step by step answer:Common cold is caused by Rhinovirus. It is a spreadable disease. It spread by sharing things or droplets of infected people.
-Typhoid is also a spreadable disease. It is caused by Salmonella typhi( bacteria). This disease spread through contaminated food and water.
-AIDS stands for Acquired ImmunoDeficiency Syndrome. It is caused by HIV( Human Immunodeficiency Virus) a retrovirus. This disease is transmitted through sexual contact with an infected person, by transfusion of contaminated blood and blood products, by sharing an infected needle and from infected mother to child.
-Ringworms are spreadable diseases caused by fungi like Microsporum, Trichophyton, and Epidermophyton. It is transferred from soil or using clothes, towels, and comb of an infected person.
So, the correct option is (D).
AIDS is not transmitted by shaking hands with infected people.

Additional Information:
Non-communicable diseases cannot be spread from one person to another.
Hereditary diseases: Diseases that transfer one generation to another generation. Example: Cystic fibrosis, Down syndrome.
Chronic diseases: Long term diseases are known as chronic diseases. Example: Heart diseases, Chronic kidney diseases, Cancer.
Acute term diseases: Short term diseases are known as acute term diseases. Example: Common cold

Note: When the functioning of one or more organs is not working properly then it means the body is not healthy, the body is suffering from a disease. Disease-causing microorganisms called a pathogen.