Question

Causative agent of T.B is
A. Salmonella
B. Mycobacterium
C. Streptococcus
D. Pneumococcus

Answer 1

Hint: Tuberculosis is the full form of T.B and we know that it is the disease that affects the lungs and causes cough and sneezing as well.

Complete Answer:
- All of the above given names salmonella, mycobacterium, streptococcus and pneumococcus all are causative agents to one or the other type of disease.
- So we need to take into consideration, which agents cause which of the disease in order to see agents of T.B. Salmonella acts as the causative agent for disease salmonellosis. It causes typhoid fever or one can say paratyphoid fever and also affects the intestinal tract.
- Mycobacterium tuberculosis is the agent that causes the disease in the lungs leading to cough and sneezing.
- Streptococcus causes streptococcal diseases which cause a wide range of problems such as pneumonia, sinuses, tonsillitis, etc. Depending upon which organ it affects.
- So, in case of pneumococcus which is also called streptococcus pneumonia. It leads to bloodstream infections, middle ear infections, etc.

So, the correct option is B as the characteristics of T.B matches to the characteristics of the disease caused by mycobacterium.

Note: It mostly causes deaths in people lacking nutrition as well as medicinal care. The droplet from the affected person goes into the air as then if those are inhaled in by a healthy person then he will also get affected.