NEET BIOLOGY

Detailed explanation-1: -Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. The bacteria usually attack the lungs, but TB bacteria can attack any part of the body such as the kidney, spine, and brain. Not everyone infected with TB bacteria becomes sick.

Detailed explanation-2: -Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis. It’s spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria.

Detailed explanation-3: -Mycobacteria are Gram-positive, catalase positive, non-motile, non-spore forming rod-shaped bacteria (0.2–0.6 m wide and 1.0–10 m long). The colony morphology of mycobacteria varies with some species growing as rough or smooth colonies. Colony colour ranges from white to orange or pink (Iivanainen, 1999).

Detailed explanation-4: -Mycobacterium tuberculosis is a rod-shaped bacterium that is responsible for around 10 million new infections and 1.4 million deaths per year (Pai et al., 2016).

Detailed explanation-5: -Tuberculosis (TB) is an acute or chronic bacterial infection found most commonly in the lungs.