Give two examples for each of the following.
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases

AcademicBiologyNCERTClass 9

(a) Acute diseases: Cold and cough.

(b) Chronic diseases: Arthritis and tuberculosis.

(c) Infectious diseases: Malaria and chicken pox.

(d) Non-infectious diseases: Diabetes and goiter.

[Extra information:

 Chronic diseases last for longer periods of time and affect complete body parts in a definite time span. It can cause poor health that recovers after a huge time period.

Infectious diseases can be spread through the air, water, food, vectors, physical contact, and sexual contact.

Cholera is a waterborne disease. It can spread if food and, in particular, water become contaminated with the stools of an infected person.

Some water-borne diseases are
  1. Diarrhea. 
  2. Cholera. 
  3. Typhoid.
  4. Amoebiasis.]
Updated on 10-Oct-2022 13:32:01