Microbiology Test: Practice Quiz MCQ

34 Questions | Total Attempts: 107

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Microbiology Test: Practice Quiz MCQ

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Questions and Answers
  • 1. 
    Who discovered that cowpox was an effective alternative to variolation?
    • A. 

      Walter Reed

    • B. 

      Semmelweis

    • C. 

      Snow

    • D. 

      Jenner

  • 2. 
    Who discovered Salvarsan cures syphilis?
    • A. 

      Fleming

    • B. 

      Jenner

    • C. 

      Ehrlich

    • D. 

      Pasteur

  • 3. 
    Tetracycline is most effective for which kind of bacteria?
    • A. 

      Gram +

    • B. 

      Gram -

  • 4. 
    • A. 

      No cell wall

    • B. 

      Photosynthesize

    • C. 

      Slime

    • D. 

      Only grow in living cells

  • 5. 
    What does gram positive bacteria have that gram negative doesn't?
    • A. 

      Teichoic acid

    • B. 

      Porins

    • C. 

      Inclusions

  • 6. 
    What does obligate facultative bacteria?
    • A. 

      Need oxygen

    • B. 

      Don't need oxygen

    • C. 

      With or without oxygen

    • D. 

      Need low pH

  • 7. 
    Which genera form spores?
    • A. 

      Pneumonia

    • B. 

      Bacillius and clostridium

    • C. 

      Listeria and bacillus

  • 8. 
    In bacteria how many ATP can be made from 1 glucose molecule?
  • 9. 
    Where is bacterial DNA stored?
  • 10. 
    Bacteria is diploid.
    • A. 

      True

    • B. 

      False

  • 11. 
    Which of these does gram negative bacteria contain?
    • A. 

      Porins

    • B. 

      Thick peptidoglycan layer

    • C. 

      NAM and NAG

    • D. 

      Teichoic acid

  • 12. 
    How do bacterial cells divide? (two words)
  • 13. 
    These are proteinaceous structures used for protection and attachment to other cells or tissues. Can represent a virulence factor in the disease process.
  • 14. 
    Why are endospores sometimes formed?
    • A. 

      In response to viruses

    • B. 

      For reproduction

    • C. 

      Because of excess oxygen

    • D. 

      Nutrient limitation

  • 15. 
    What is considered the fingerprint for bacterial identification?
    • A. 

      TRNA

    • B. 

      16s RNA

    • C. 

      30s RNA

    • D. 

      Polymerase

  • 16. 
    What year did the Classical Golden Age of Microbiology end?
  • 17. 
    What is feedback inhibition an example of ( in cellular metabolism)
    • A. 

      Glycolysis

    • B. 

      Competitive inhibition

    • C. 

      Non competitive inhibition

    • D. 

      Anaerobismn

  • 18. 
    Who worked on transposons and corn maize?
    • A. 

      Calmette

    • B. 

      Pasteur

    • C. 

      Fleming

    • D. 

      McClintock

  • 19. 
    What is the final electron acceptor in fermentation?
  • 20. 
    Fermentation offers more energy than regular prokaryotic metabolism.
    • A. 

      True

    • B. 

      False

  • 21. 
    What are the three types of gene transfer in bacteria?
    • A. 

      Genetic engineering

    • B. 

      Conjugation

    • C. 

      Pathogenicity

    • D. 

      Transduction

    • E. 

      Translation

    • F. 

      Transformation

    • G. 

      Transitioning

  • 22. 
    Transduction involves
    • A. 

      Chromosomes

    • B. 

      Bacteriophages

    • C. 

      Quinolones

    • D. 

      Flagella

  • 23. 
    Which are synthetic antibacterial agents?
    • A. 

      Isoniazid

    • B. 

      Cowpox

    • C. 

      Sulfonamides

    • D. 

      Quinolones

    • E. 

      R-plasmids

  • 24. 
    What is transcription?
    • A. 

      Copy DNA to RNA

    • B. 

      Used to make proteins

  • 25. 
    What did Griffith's experiments describe?
    • A. 

      Endospores

    • B. 

      Transposons

    • C. 

      Transformation

    • D. 

      Pure cultures