Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to…

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
  1. Bacillus
  2. Pseudomonas
  3. Mycoplasma
  4. Nostoc

Solution

Mycoplasmas are smallest, wall-less prokaryotes, pleomorphic in nature. These are pathogenic on both plants and animals. Smallest cellular organism is Mycoplasma gellisepticum.

Asked in: NEET 2017

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