Question

What are microorganisms? Give examples.

Answer 1

• Microorganisms are living organisms that are very small to be seen by naked eyes.
• They are microscopic animals hence, called microorganisms.
• They may exist in its single-phase celled form or in a colony of cells.
• They include all unicellular organisms.
• They also include eukaryotic multicellular organisms and unicellular protists and protozoans.
• They are found in every habitat from poles to equator, deserts, geysers, rocks, deep sea etc.
• Microbes are important to human culture and health.
• They help in the fermentation of food, treatment of sewage, fuel production, production of enzymes and bioactive compounds.
• Eg- Cyanobacteria, Lactobacillus, Amoeba, Paramecium etc.