Microbiology Lab Techniques: Enriched Media and Phenol Red Test
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of using liquid media (broth) in bacterial culture?

  • To solidify the culture medium for better bacterial growth
  • To feed vitamins and amino acids to bacteria
  • To grow bacteria uniformly and produce turbidity (correct)
  • To classify bacteria based on their metabolic activities
  • What type of media is suitable when the number of bacteria in the inoculum is suspected to be low?

  • Solid media
  • Semi-solid media
  • Biphasic media
  • Liquid media (correct)
  • Which functional use of media helps in differentiating between different types of bacteria based on their characteristics?

  • Differential media (correct)
  • Enriched media
  • Transport media
  • Selective media
  • What type of media is used to support the growth of fungi in culture?

    <p>Enriched media</p> Signup and view all the answers

    Which type of media is used to sustain the viability of microorganisms during transportation from one location to another?

    <p>Transport media</p> Signup and view all the answers

    What is the primary function of using selective media in bacterial culture?

    <p>To encourage the growth of specific microorganisms while inhibiting others</p> Signup and view all the answers

    Which type of culture media allows growth of one group of bacteria while inhibiting the growth of other groups?

    <p>Selective media</p> Signup and view all the answers

    What is the purpose of adding specific substances to selective media?

    <p>To allow growth of one group of bacteria and inhibit others</p> Signup and view all the answers

    Which of the following is NOT a characteristic of differential media?

    <p>Inhibits the growth of undesired bacterial groups</p> Signup and view all the answers

    Which type of media is enriched with citrated blood to show types of haemolysis?

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

    What differentiates Beta haemolysis from Alpha haemolysis on blood agar?

    <p>Partial lysis vs. complete lysis</p> Signup and view all the answers

    Which media is specifically used for research and where every component is well known?

    <p>Davis &amp; Mingioli synthetic media</p> Signup and view all the answers

    Which culture plate is both selective and differential in nature?

    <p>Mannitol Salt Agar</p> Signup and view all the answers

    Which of the following media supports the growth of fastidious bacteria through the addition of blood, serum, or extracts?

    <p>Stuart medium</p> Signup and view all the answers

    What happens if mannitol is fermented in Mannitol Salt Agar?

    <p>'Acidic products are formed</p> Signup and view all the answers

    Which type of media contains antibiotics like Gentamycin and Chloramphenicol to inhibit bacterial growth?

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

    In which media is eggs and glycerol added to support the growth of Mycobacterium tuberculosis?

    <p>Lowenstein-Jensen medium</p> Signup and view all the answers

    Which media is a solution of buffers with carbohydrates, peptones, and nutrients but lacks growth factors?

    <p>Amies medium</p> Signup and view all the answers

    More Like This

    Microbiology Lab Techniques Quiz
    10 questions

    Microbiology Lab Techniques Quiz

    WarmheartedCelebration avatar
    WarmheartedCelebration
    Microbiology Lab Techniques
    18 questions
    Anaerobic Microbiology Lab Techniques
    120 questions
    Microbiology Lab Techniques and Bacteria
    51 questions
    Use Quizgecko on...
    Browser
    Browser