Question

Tuberculosis is caused by
A. Clostridium
B. Mycobacterium
C. Vibrio cholerae
D. Salmonella typhi

Answer 1

Hint: Tuberculosis is a disease that is a bacterial disease that mainly affects lungs. The bacteria that causes tuberculosis spreads when an infected person sneezes or coughs thus it is a communicable disease.

Complete answer:
Tuberculosis is a disease that causes coughing with blood and sputum. There is chest pain, loss of weight, weakness, fever and night pains and other symptoms of this disease. It is a serious infectious disease.

> Option A- Clostridium: Clostridium is a gram positive bacteria this bacteria causes infection like botulism and tetanus. It is not a Causative agent of tuberculosis. Clostridium has famously known two species clostridium perfringens and clostridium botulinum.

> Option B- Mycobacterium: It is a genus of Actinobacteria. This genus has pathogenic species Mycobacterium tuberculosis and Mycobacterium leprae which causes tuberculosis and leprosy infection respectively in humans. So tuberculosis is caused by Mycobacterium tuberculosis.

> Option C- Vibrio Cholerae: It is a Comma shaped bacteria that causes infection in humans small intestine named as cholera. In this there is rapid loss of fluids and water from the body and has a serious impact on our body.

> Option D- Salmonella typhi: It infect the blood and intestinal tract, the infection is known as Typhoid. It is a common infection in humans.

Hence, the correct answer is option (B).

Note: Global impact of tuberculosis is Such that it occurs in every part of the world. According to the latest studies in 2018 the South East Asian region has the maximum number of tuberculosis patients followed by African region and then the Western Pacific. Eight countries have accounted for two third of the total number of new cases. These eight countries are India, China, Indonesia, Pakistan, Philippines, Nigeria, Bangladesh and South Africa.