A) Virus
B) Mycoplasma
C) Nosroc
D) All of these
Correct Answer: C
Solution :
Nostoc belongs to class-Cyanophyceae. They contain chlorophyll-a and p-carotene an C-phycocyanin and can manufacture their own food, ie, autotropic in nature. Viruses are connecting link between living and non-living organisms. Mycoplasma are the smallest known aerobic prokaryotes without cell wall. They were discovered by Pasteur, also known as PPLO (Pleuro Pneumonia Like Organisms).
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