9 out of 22
True about mycobacterium tuberculosis is/ are
|A||Can produce visible colonies in a week’s time on LJ media|
|B||Decolorized with 20% suphuric acid|
|D||It is niacin positive|
Ans. D It is niacin positive
a. M. tuberculosis is niacin accumulation test positive.
b. Produces visible colonies in 2-6 weeks.
c. It is a strict aerobe.
d. It is acid fast with 20% sulfuric acid.