Advantages and Disadvantages of Micro-organisms


 
 
Concept Explanation
 

Advantages and Disadvantages of Micro-organisms

Microorganisms include bacteria, protozoa, algae and fungi. Although viruses are not considered living organisms, they are sometimes classified as microorganisms.

Advantages of Microorganisms :-

  • They help in production of food materials such as bread, cheese, curd,etc.
  • Helps in preparation of vaccine.
  •  Helps in fermentation.
  •  Serves as an important part of carbon and nitrogen cycle.
  • Disadvantages of Microorganisms :-

  • Responsible for rotting of food.
  • Responsible for tooth decay.
  • They spread diseases.
  • Are sometimes responsible for whooping of plants.
  •                                      

    Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    Certain micro - organisms play role in the __________________________

    Right Option : D
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    Question : 2

    Fungus used for the fermentation of cheese is ______________

    Right Option : A
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    Question : 3

    Column I                                    Column II

    A. Virus                                    P. Fungus which is used to make a drug.

    B. Cyanobateria                         Q. A kind of protozoan

    C. Plasmodium                          R. They are bacteria having chlorophyll

    D. Spirogyra                              S. An ultramicroscopic organism that is visible only through electron microscope.

    E. Penicillium                             T. Green filamentous alga commonly found in fresh water habitats.

    Right Option : A
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