Microbial Growth Phases and Control
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Questions and Answers

During which phase of microbial growth does sporulation occur?

  • Log phase
  • Death or Decline phase
  • Exponential phase
  • Stationary phase (correct)

    • Which term refers to the destruction and removal of all forms of microbial life, including endospores?

  • Commercial sterilization
  • Sterilization (correct)
  • Antisepsis
  • Disinfection

    • What is the main difference between sterilization and disinfection?

  • Sterilization kills only vegetative pathogens, while disinfection kills all microorganisms.
  • Disinfection is a more effective method than sterilization in removing endospores.
  • Sterilization kills all forms of microbial life, including endospores, while disinfection only targets vegetative pathogens. (correct)
  • Disinfection is done by steam under pressure, while sterilization uses chemical methods.

    • Which process involves the removal of microbes from a limited area?

    <p>Degerming</p> Signup and view all the answers

    What occurs during the death or decline phase of microbial growth?

    <p>Sporulation can still occur</p> Signup and view all the answers

    Which method is used for treatment of vegetative state pathogens on living tissues?

    <p>Antisepsis</p> Signup and view all the answers

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