Koch discovered the causative organism for tuberculosis and-(AIIMS Nov 2010)
Contributions of Robert Koch.
a. Concept of smear making and staining with aniline dyes
b. Concept of cultivation of bacteria on solid media and hanging drop methods
c. Discovered the causative agents of T.B, cholera and pink eye ( H. aegyptius)
d. Propounded the Koch postulates to prove the role of an organism in the causation of a disease
e. He developed the methods for testing disinfectants
f. Nobel Prize for his work on TB in 1905