What are the major groups of microorganisms?

1.	What are the major groups of microorganisms?
Answer» There are five major groups of micro-organisms: (i) Bacteria: They are single celled disease-causing micro-organisms. They can be spiral or rod- shaped. (ii) Fungi: They are mostly multicellular disease-causing microbes. Bread moulds are common examples of fungi. (iii) Protozoa: They mainly include organisms such as Amoeba, Plasmodium, etc. They can be unicellular or multicellular. (iv) Virus: Viruses are disease-causing microbes that reproduce only inside the host organism. (v) Algae : They include multicellular, photosynthetic organisms such as Spirogyra, Chlamydomonas, etc.

Answer»

There are five major groups of micro-organisms:

(i) Bacteria: They are single celled disease-causing micro-organisms. They can be spiral or rod- shaped.

(ii) Fungi: They are mostly multicellular disease-causing microbes. Bread moulds are common examples of fungi.

(iii) Protozoa: They mainly include organisms such as Amoeba, Plasmodium, etc. They can be unicellular or multicellular.

(iv) Virus: Viruses are disease-causing microbes that reproduce only inside the host organism.

(v) Algae : They include multicellular, photosynthetic organisms such as Spirogyra, Chlamydomonas, etc.

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