Kinds of microbes and some uses of it

KINDS OF MICROBES 
There are four kind of microbes.

  1. Bacteria
  2. Virus
  3. Protozoa
  4. 4. Fungi

1. Bacteria
They are single celled organisms and have different shapes. They may be rod-shaped,spiral or round. Bacteria cause diseases like Tuberculosis, Typhoid, Pneumonia, etc.
2. VIRUS
Viruses are very minute organisms, even smaller then bacteria. They cause diseases like Influenza, Polio, AIDS, etc. They enter the cells and increase in number inside the cell.
3. Protozoa
Protozoa are single celled microorganisms. Most of the  protozoa are harmless but some can cause diseases like Malaria, Dysentery, kala-azar,etc.
4. Fungi
Fungi are organisms which grow on decaying matter and cause skin diseases like Ring worm, Athlete's foot, etc.
Useful microbes
There are some microbes which are useful to us. They help us in many ways.

  • Some bacteria changes milk to curd, some help us in making cheese.
  • Some fungi help in baking bread and making wines.
  • Some bacteria help in the decay of dead plants and animals.
  • Some bacteria help animals to digest.
  • A fungus called mushroom is used as vegetable.
  • Certain antibiotics like penicillin are prepared from microbes.



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