A Biology Quiz About Mycoplasma!

28 Questions | Total Attempts: 82

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A Biology Quiz About Mycoplasma!

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Questions and Answers
  • 1. 
    Write text here
  • 2. 
    True or false: Mycoplasma are the smallest free living ?
    • A. 

      True

    • B. 

      False

  • 3. 
    Mycoplasma pneumoniae
  • 4. 
    Mycoplasmas are intracellular organisms
    • A. 

      True

    • B. 

      False

  • 5. 
    What makes Mycoplasmas resistant to Beta lactams?
    • A. 

      Lack of cell wall

    • B. 

      Tiny genome

    • C. 

      L-form

    • D. 

      Highly variable pumps

  • 6. 
    Mycoplasmal diseases have a high morbidity but low mortality
    • A. 

      True

    • B. 

      False

  • 7. 
    Mycoplasmas are pleomorphic organisms that have a cell wall.
    • A. 

      True

    • B. 

      False

  • 8. 
    Why are Mycoplasma resistant to antibiotics such as penicillin and cephalosporins?
    • A. 

      Their endotoxins makes them resistant

    • B. 

      Their lack of a cell wall make them resistant

    • C. 

      Their motility makes them resistant

  • 9. 
    Mycoplasma grows _____ and are highly fastidious, facultative anerobes.
    • A. 

      Rapidly

    • B. 

      Slowly

  • 10. 
    Mycoplasma need complex media contain _______ and _______ for growth.
    • A. 

      Blood and hemolysin

    • B. 

      Glucose and galactose

    • C. 

      Cholesterol and fatty acids

  • 11. 
    Mycoplasmas are pleomorphic organisms that have a cell wall.
    • A. 

      True

    • B. 

      False

  • 12. 
    Why are Mycoplasma resistant to antibiotics such as penicillin and cephalosporins?
    • A. 

      Their endotoxins makes them resistant

    • B. 

      Their lack of a cell wall make them resistant

    • C. 

      Their motility makes them resistant

  • 13. 
    Mycoplasma grows _____ and are highly fastidious, facultative anerobes.
    • A. 

      Rapidly

    • B. 

      Slowly

  • 14. 
    Mycoplasma need complex media contain _______ and _______ for growth.
    • A. 

      Blood and hemolysin

    • B. 

      Glucose and galactose

    • C. 

      Cholesterol and fatty acids

  • 15. 
    Mycoplasmas are pleomorphic organisms that have a cell wall.
    • A. 

      True

    • B. 

      False

  • 16. 
    Why are Mycoplasma resistant to antibiotics such as penicillin and cephalosporins?
    • A. 

      Their endotoxins makes them resistant

    • B. 

      Their lack of a cell wall make them resistant

    • C. 

      Their motility makes them resistant

  • 17. 
    Mycoplasma grows _____ and are highly fastidious, facultative anerobes.
    • A. 

      Rapidly

    • B. 

      Slowly

  • 18. 
    Mycoplasma need complex media contain _______ and _______ for growth.
    • A. 

      Blood and hemolysin

    • B. 

      Glucose and galactose

    • C. 

      Cholesterol and fatty acids

  • 19. 
    Why are Mollicutes pleomorphic?
    • A. 

      Lacks a cell membrane

    • B. 

      Lacks a rigid cell wall

    • C. 

      None of the above

    • D. 

      Option 4

  • 20. 
    Which is a definite human pathogen?
    • A. 

      Mycoplasma hominis

    • B. 

      Mycoplasma pneumoniae

    • C. 

      Ureaplasma urealyticum

  • 21. 
    _______ is the first step of the multiplication of animal viruses.
  • 22. 
    Which of the following steps occurs during the multiplication of animal viruses but not during the multiplication of bacteriophages?
    • A. 

      Assembly

    • B. 

      Uncoating

    • C. 

      Attachment

    • D. 

      Biosynthesis

    • E. 

      Penetration

  • 23. 
    Certain plant diseases are caused by prions.
    • A. 

      True

    • B. 

      False

  • 24. 
    Which of the following are parts of the multiplication of bacteriophages?
    • A. 

      Attachment

    • B. 

      Penetration

    • C. 

      Biosynthesis

    • D. 

      Phage Process

    • E. 

      Assembly

    • F. 

      Bacillus

    • G. 

      Release

  • 25. 
    Most cells reproduce by procaryotic fission
    • A. 

      True

    • B. 

      False

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