2.1   MEANINGS/ DEFINATIONS:

1.  Microorganisms – The living organisms which are very minute.

2.  Fungi –  Non – green plants that cannot make their own food.

3.  Environment –  Surrounding or conditions in which a person, animal, or plants lives.

4.  Decomposition – Process of rotting, decay.

5.  Nodules – A small swelling  of cells in the body.

6.  Fermentation –  Chemical breakdown of a substance by bacteria, yeasts,etc.

7.  Antibody – Substance that defend our body.

8.  Microbes –  Microorganisms causing diseases.

9.  Pathogens – Diseases causing microorganisms.

10.  Excreta – Waste matter discharged from the body.

11.  Pasteurization –  Partial sterilization of  milk , wine,etc.to make it fit for consumption.