Question

What is wrong about mycoplasma?

• A. They are called PPLO
• B. They are pleomorphic
• C. They are sensitive to penicillin
• D. They produce diseases in plants.

Answer 1

Answer: (C)

They are sensitive to penicillin

Mycoplasma is the simplest and the smallest of the free living prokaryotes. They were discovered in pleural fluid of cattle suffering from pleuropneumonia. They are often called PPLO (Pleuropneumonia like organisms). The size ranges from 0.1-0.15 $\mu$m. A cell wall is absent. Plasma membrane forms the outer boundary of the cell. Due to the absence of cell wall, the organisms can change their shape and are pleomorphic. They are not even sensitive to pencillin because of the lack of cell wall. They produce pleuropneumonia in plants and domestic animals.
So, statement (C) is wrong about mycoplasma.