What are the major group of the microorganisms?
Major groups of microorganisms are :
(i) Bacteria : They are single celled microorganisms.
(ii) Fungi : They are long thread like unicellular as well as multicellular microorganisms.
(iii) Algae : Aquatic, photosynthetic organisms commonly called sea weeds.
(iv) Protozoan : They are unicellular organisms.
(v) Virus: They are non-cellular microbes which only get active inside a living cell.