Question

What are the major groups of microorganisms?

Answer 1

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 molds are common examples of fungi.

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

(iv) Algae − They include multicellular, photosynthetic organisms such as Spirogyra, Chlamydomonas, etc.

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