Microbiology: Bacterial Characteristics
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Questions and Answers

What is the characteristic arrangement of flagella in Plesiomonas?

  • Peritrichous flagella
  • Lateral flagella
  • Polar flagella (correct)
  • Axial flagella

    • What is the mode of reproduction in Spirochetes?

  • Longitudinal fission
  • Budding
  • Binary fission
  • Transverse fission (correct)

    • What is the characteristic feature of Treponema pallidum's cell ends?

  • They are flat and have a pilus
  • They are spherical and covered with a lipid layer
  • They are pointed and covered with a sheath (correct)
  • They are rounded and have a flagellum

    • Which of the following environments is NOT typically associated with Plesiomonas?

    <p>Arctic tundra</p> Signup and view all the answers

    What is the characteristic morphology of Spirochetes under microscopy?

    <p>Slender, helical, unicellular bacteria</p> Signup and view all the answers

    What is the characteristic feature of Caviae's colony morphology?

    <p>Bull's eye pattern</p> Signup and view all the answers

    Which of the following species of Vibrio is commonly referred to as 'lactose (+) Vibrio'?

    <p>Vibrio vulnificus</p> Signup and view all the answers

    What is the characteristic of Vibrio vulnificus in TCBS agar?

    <p>Green colonies</p> Signup and view all the answers

    What is the primary mode of transmission of Vibrio vulnificus?

    <p>Ingestion of contaminated crustaceans and fish</p> Signup and view all the answers

    What is the characteristic of Vibrio alginolyticus?

    <p>Gastroenteritis and ear infections</p> Signup and view all the answers

    What is the characteristic of Aeromonas?

    <p>Glucose-fermenting</p> Signup and view all the answers

    What is the characteristic of Treponema?

    <p>Spiral-shaped bacteria</p> Signup and view all the answers

    What is the primary characteristic of Vibrio species in terms of their morphology?

    <p>Curved or straight rod</p> Signup and view all the answers

    Which of the following genera is not part of the Vibrionaceae family?

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

    What is the primary habitat of Vibrionaceae family members?

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

    Which of the following is NOT a characteristic of Vibrio species?

    <p>Spore forming</p> Signup and view all the answers

    What is the primary medium used for enrichment of Vibrio species?

    <p>Alkaline Peptone Water (APW)</p> Signup and view all the answers

    What is the primary infection caused by Vibrio cholerae 01?

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

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