Multiple choice Which of the following statements is FALSE regarding mycoplasma? Mycoplasmas were discovered by Nocard and Roux (1898). Mycoplasmas exhibits respiratory metabolism. Mycoplasmas exhibit pleomorphic morphology. In mycoplasmas, ribosome is of 70S type. Mycoplasmas are not affected by penicillin. Reveal answer Fill a bubble to check yourself B Correct answer Explanation This is the correct answer. Mycoplasmas exhibits fermentation metabolism.