Question
Biology Question on human health and disease
Tuberculosis is caused by
Vibrio cholerae
Mycobacterium
Salmonella typhi
None of these
Mycobacterium
Solution
Tuberculosis, commonly called TB is a very serious disease. About half a million people die of this disease each year in our country. It is caused by rod-shaped bacterium named Mycobacterium tuberculosis. It commonly affects the lungs, where small tubercles are formed but may attack any part of the body, including the brain, symptoms of pulmonary tuberculosis are fever, cough, blood containing sputum etc. BCG vaccine gives considerable protection against tuberculosis. Cholera is caused by Vibrio cholerae. It spreads through contaminated food and water. Typhoid is a bacterial disease and caused by Salmonella typhi. It spreads through contaminated water and food.