Question

Which of the following disease is not caused by bacteria?

(a) cholera (b) typhoid (c) tuberculosis (d) measles

Answer 1

The correct option is (d):

Explanation of the correct option: ​

1. ​Measles is a disease that replicates inside the nasal tract and affects the throat of an individual.
   
2. It is caused due to a viral pathogen and it is highly contagious.
   

Explanation of the incorrect options:

Option (a):

1. Cholera is an enteric disease that infects the small intestine of the patients.
   
2. It is caused by the bacterium called ​Vibrio cholerae.

Option (b):

1. ​Typhoid is an infection that affects the liver function of the patient.
   
2. It is caused by a bacteria called Salmonella typhi.
   

Option (c):

1. The respiratory tract or more specifically the lungs are affected as a person suffers from tuberculosis.
   
2. It is caused by the bacteria ​Mycobacterium tuberculosis.

Final Answer: Measles is the disease not caused by a bacteria.