Medicinal Use


 
 
Concept Explanation
 

Medicinal Use

Medicinal Uses: Some of the medicinal uses of microorganisms are given below:

  • Making antibiotics. Certain bacteria and fungi are used in the production of medicines called antibiotics that destroy certain disease-causing microbes. Penicillin (obtained from the fungus Penicillium), streptomycin, and tetracycline (both obtained from Streptomyces bacteria) are examples of antibiotics. Antibiotics are also used to control microbial diseases in animals and plants. When a disease-causing microbe enters our body, our body produces substances called antibodies. These antibodies fight and destroy the disease-causing microbe and remain in the body to fight future infections by the same microbe. A vaccine is a preparation of killed or weakened disease-causing microbes. When a vaccine is introduced in the body of a healthy person (by swallowing or injection), his/her body produces antibodies against these killed or weakened microbes.
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    Sample Questions
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    Question : 1

    The following is an antibiotic ______________________.

    Right Option : B
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    Question : 2

    Penicillin is obtained from _________________.

    Right Option : D
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    Explanation
    Question : 3

    Which of these give us immunity against diseases?

    Right Option : B
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