Which organism cannot be cultured in cell free media -: (A) Klebsiella rhinoscleromatis, (B) Klebsiella ozaenae, (C) Treponema pallidum, (D) All
Answer is C. Ans. is 'c' i.e., Treponema pallidum . Treponema pallidum is an obligate intracellular organism. Thus it cannot be cultivated in cell free medium. . Pneumocystis Jiroveci and Rhinosporidium seeberi can not be cultivated.