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Question

Find out incorrect statement from the following:

A
Microorganisms that cause diseases are called as pathogens.
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B
In the anaerobic treatment of sewage Methanobacterium is used.
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C
Antibiotics are prepared from dead or weakened microbes.
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D
E.coli bacteria in human intestine help in synthesizing vitamin K and vitamin B complex.
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Solution

The correct option is C Antibiotics are prepared from dead or weakened microbes.
Vaccines are prepared from dead or weakened microbes. Edward Jenner was the first person to discover small pox vaccine.
  • He coined the term vaccination. When the vaccine is injected to the body of a patient, the body produces antibodies to fight against the germs.
  • These antibodies remain inside the body and protects from future invasion of the germs. Therefore vaccination is otherwise called as immunization.
Example:
MMR vaccine for Measles, Mumps, Rubella. BCG (Bacille Calmette Guerin) vaccine for Tuberculosis.

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