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Useful and Harmful Microbes

  • Microorganism
    • The living organisms that cannot be seen with unaided eye are called microorganisms.
    • The study of microorganisms is called microbiology.
    • They are cosmopolitan in distribution and found everywhere around us.
    • All the tiny organisms around us like in air and soil do not fall into the category of microbes.
    • Antony Van Leewanhoek observed bacteria for the first time using his self built microscope.
  • Microorganisms are classified into four major groups- bact…

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