Microbiology Exam Hardest Trivia Questions! Quiz

70 Questions | Total Attempts: 256

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Microbiology Quizzes & Trivia

How well have you understood all the topics you have covered in microbiology so far, and there is much that you get to know when it comes to the topics? Do you think that you can handle all of them at once and stand a chance to be different from all the rest who took it and didn’t get them all right?


Questions and Answers
  • 1. 
    Harvest energy from sunlight
    • A. 

      Fermentation

    • B. 

      Anaerobic

    • C. 

      Aerobic

    • D. 

      Phototroph

  • 2. 
    Obtains carbon from CO2
    • A. 

      Photoheterotroph

    • B. 

      Photoautotroph

    • C. 

      Phototroph

  • 3. 
    Obtains carbon from organic compounds
    • A. 

      Photoautotroph

    • B. 

      Phototroph

    • C. 

      Photoheterotroph

  • 4. 
    Phototroph that does not produce O2
    • A. 

      Chemotroph

    • B. 

      Anoxygenic phototroph

    • C. 

      Oxygenic phototroph

  • 5. 
    Phototroph that produces O2
    • A. 

      Oxygenic phototroph

    • B. 

      Anoxygenic phototroph

    • C. 

      Phototroph

  • 6. 
    Harvests evergy by oxidizing chemicals
    • A. 

      Chemoorganotroph

    • B. 

      Chemotroph

    • C. 

      Aerobic

  • 7. 
    Oxidizes inorganic chemical
    • A. 

      Chemolithotroph

    • B. 

      Fermentation

    • C. 

      Chemoorganotroph

  • 8. 
    Oxidizes organic chemicals
    • A. 

      Oxygeic phototroph

    • B. 

      Chemoorganotroph

    • C. 

      Chemolithotroph

  • 9. 
    Uses O2 as terminal electron acceptor
    • A. 

      Aerobic respiration

    • B. 

      Anaerobic respiration

    • C. 

      Fermentation

  • 10. 
    Uses another terminal electron acceptor besides O2
    • A. 

      Fermentation

    • B. 

      Anaerobic

    • C. 

      Aerobic

  • 11. 
    Not respiration (no electron chain), uses organic compound as electron acceptor
    • A. 

      Phototroph

    • B. 

      Fermentation

    • C. 

      Anaerobic

  • 12. 
    Many anerobic organsism are intolerant of O2
    • A. 

      True

    • B. 

      False

  • 13. 
    Chemolithotrophs oxidize reduced inorganic chemicals to produce energy, use alternate terminal electron acceptor other than oxygen what are they
    • A. 

      Carbon dioxide

    • B. 

      Sodium

    • C. 

      Sulfur

    • D. 

      Oxygen

    • E. 

      Both A and C are correct

  • 14. 
    Members of Domain Archaea, produce energy by oxidizing hydrogen gas and using carbon dioxide as terminal electron (this process creates methane and water)
    • A. 

      Fermentation

    • B. 

      Anaerobic respiration

    • C. 

      Methanogens

    • D. 

      Chemmoorganotrophs

  • 15. 
    Methanogens commonly found in sewage, swams, marien sediments and digestive tract of mammals
    • A. 

      False

    • B. 

      True

  • 16. 
    Methanogens are not highly sensitive to oxygen (anerobic chambers used for cultivation)
    • A. 

      True

    • B. 

      False

  • 17. 
    Some anaerobic chemoorganotrophs produce ATP via _________________________ through the oxidation of organic molecules (use terminal electron acceptor other than oxygen sulfur and sulfate are common)
    • A. 

      Fermentation

    • B. 

      Anaerobic respiration

    • C. 

      Methanogens

  • 18. 
    Other anaerobic chemoorganotrophs produce energy through fermentation
    • A. 

      Use terminal electron acceptor other than oxygen

    • B. 

      Produce energy though substrate phosphorylation only

    • C. 

      Produce energy

  • 19. 
    Sulfur and sulfate-reducing bacteria use sulfur as terminal electron acceptors and oxidize organic material it also
    • A. 

      Reduce it to hydrogen sulfide (responsible for rotten egg smell)

    • B. 

      These organisms essential for sulfur cyle in ecosystem

    • C. 

      Generally found in mud rich in organic matter and sulfur

    • D. 

      All of the above are correct

    • E. 

      None of the above are correct

  • 20. 
    Some anaerobes use fermentation to obtain energy and what else is true
    • A. 

      Members of genus Clostridium are Gram-positive

    • B. 

      Produce endospores

    • C. 

      Common inhabitant of soil

    • D. 

      All of the above are correct

    • E. 

      Only A and B are correct

  • 21. 
    Some anaerobes use fermentation to obtain energy, members of genus Clostridium are Gram-positive rods, ferment a wide variety of compounds in process of putrefaction. What are they (check all that applies)
    • A. 

      Sugars

    • B. 

      Cellulose

    • C. 

      Amino acid

    • D. 

      Carbohydrates

    • E. 

      Glucose

  • 22. 
    Are Gram-positive organism that produce latic acid as an end product of fermentation...
    • A. 

      Lactic base bacteria

    • B. 

      Lactic acid bacteria

    • C. 

      Obligate fermenters

  • 23. 
    Most organisms of this group can grow in aerobic environments but are obligate fermenters
    • A. 

      True

    • B. 

      False

  • 24. 
    (Group A streptococcus) pharyngitis (strep throat), rheumatic fever, glomerulonephritis, and streptococcal toxic shock
    • A. 

      S. pyogenes

    • B. 

      S. agalactae

    • C. 

      S. pneumoniae

    • D. 

      S. mutans and other viridans streptococci

  • 25. 
    (Group B streptococcus) colonize vaginal tract so some women and can cause neonatal meningitis and sepsis
    • A. 

      S. pyogenes

    • B. 

      S. pneumoniae

    • C. 

      S. agalactiae

    • D. 

      S. mutans and other viridans streptococci

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