<prompt> Cell wall deficient organisms are:ChlamydiaMycoplasmaStaphylococcusClostridium  <response>: Ans. is b i.e., MycoplasmaRef: Ananthanarayan, 9the, p. 386 and 8the, p. 16Mycoplasma is bacteria that are cell wall deficient and hence dont possess a stable morphology.Mycoplasma represents Stable L - forms. L - forms named after Lister ITUTE, London. Streptobacillus moniliformis, Mycoplamsa. Resistant to cell wall acting drug.Protoplast Gmve Spheroplast Gm-ve. 