Mycoplasma neither possess cell wall nor vacuole and plastid yet it is not included in animal kingdom because it has

Cytoplasm

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70S Ribosome

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Osmotrophic mode of nutrition

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Episome

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Solution

The correct option is C Osmotrophic mode of nutrition
The liquid phase of the cell which is surrounded by unit cell membrane is called as cytoplasm; both mycoplasmas and animals have cytoplasm. Mycoplasmas have 70S ribosomes which are arranged in a helical superstructure which is a eukaryotic character. Animals are holozoic which refers to engulfment of whole/part of plant/animal in liquid/solid state. Mycoplasmas exhibit an osmotrophic mode of nutrition wherein the pre-digested food is diffused through the body surface while food is first ingested by animals followed by its internal digestion. The plasmids with the ability to integrate themselves into cellular chromosomes are termed as episomes. Mycoplasmas contain only minimum and essential genes and plasmids, the extra chromosomal DNA, are not present in them. Thus, the correct answer is option C.

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