Types Of Microorganisms! Hardest Trivia Quiz

78 Questions | Total Attempts: 622

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Types Of Microorganisms! Hardest Trivia Quiz


Questions and Answers
  • 1. 
    Define what is meant by emerging and remerging disease OR state Koch's postulates.
  • 2. 
    List two differences between optical light microscope and electron microscope OR differentiate between negative and positive staining using examples
  • 3. 
    Define glycocalyx and describe its different forms OR list and briefly describe two basic layers that make up cell envelope
  • 4. 
    List the mechanisms by which an enzyme lowers the activation energy and brings on the transition state OR what are holoenzymes and give examples. 
  • 5. 
    List and briefly describe the events in nitrogen cycle OR describe life cycle of endospore forming bacteria, including formation and germination of endospores
  • 6. 
    Contrast the major structure of gram-positive and gram-negative cell wall OR what is competitive and noncompetitive inhibition
  • 7. 
    Disease-causing microorganisms are called
    • A. 

      Decomposers

    • B. 

      Prokaryotes

    • C. 

      Pathogens

    • D. 

      Eukaryotes

  • 8. 
    The microorganisms that recycle nutrients by breaking down dead matter and wastes are called
    • A. 

      Decomposers

    • B. 

      Prokaryotes

    • C. 

      Fermenters

    • D. 

      Pathogens

  • 9. 
    The microorganisms that do not have a nucleus in their cell wall are called
    • A. 

      Decomposers

    • B. 

      Prokaryotes

    • C. 

      Pathogens

    • D. 

      Eukaryotes

  • 10. 
    Which activity is an example of biotechnology?
    • A. 

      Bacteria in the soil secreting an antibiotic to kill competitors

    • B. 

      A microbiologist using the microscope to study bacteria

    • C. 

      Humans using yeast to make beer and wine

    • D. 

      Mycobacterium tuberculosis in the lungs causing TB

  • 11. 
    The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was
    • A. 

      F. Redi

    • B. 

      A. Leeuwenhoek

    • C. 

      L. Pasteur

    • D. 

      J. Lister

  • 12. 
    Spontaneous generation is the belief that
    • A. 

      Germs cause infectious diseases

    • B. 

      Microbes are diverse and ubiquitous

    • C. 

      Microbes placed in an infusion can grow in it

    • D. 

      Living things arise from nonliving matter

  • 13. 
    Koch's postulates are criteria used to establish that 
    • A. 

      Microbes are found on dust particles

    • B. 

      A specific microbe is the cause of a specific disease

    • C. 

      Life forms can only arise from preexisting life forms

    • D. 

      A specific microbe should be classified in a specific kingdom

  • 14. 
    Which scientist discovered heat resistant bacterial spores
    • A. 

      J. Lister

    • B. 

      R. Koch

    • C. 

      F. Cohn

    • D. 

      A. Leeuwenhoek

  • 15. 
    The rash and/or hemorrhage associated to Rocky Mountain spotted fever and Typhus occur when this bacterium targets the endotheilal cells that line blood vessels
  • 16. 
    This bacterium has a life cycle that includes elementary and reticulate bodies
  • 17. 
    This bacterium is a member parasite that adheres to and damages the mucous membrane of the respiratory, urinary, and reproductuve tracts
  • 18. 
    This bacterium causes a commonly acquired sexually transmitted bacterial disease and Trachoma, the most common cause of blindness
  • 19. 
    Which bacterium was the first organisms to produce oxygen as a byproduct of photosynthesis
  • 20. 
    If microbiologist is studying a specimen at a total mag of 950x, what is the magnifying power of the objective lens if the ocular lens is 10x
    • A. 

      100x

    • B. 

      950x

    • C. 

      850x

    • D. 

      95x

  • 21. 
    Which microscope achieves the greatest resolution and highest magnification
    • A. 

      Bright-field

    • B. 

      Dark-field

    • C. 

      Phase-contrast

    • D. 

      Electron

  • 22. 
    Which microscope bombard a whole, metal-coated specimen with electrons moving back and forth over it
    • A. 

      Fluoresence

    • B. 

      Differential interference contrast

    • C. 

      Scanning electron

    • D. 

      Transmission electron

  • 23. 
    The primary purpose of staining cells on a microscope slide is to
    • A. 

      Kill them

    • B. 

      Secure them to the slide

    • C. 

      Enlarge the cell

    • D. 

      Add contrast in order to see them better

  • 24. 
    A microbiologist makes a fixed smear of bacterial cells and stains them with methylene blue. all the cells appear blue under the oil lens. this is an example of 
    • A. 

      Negative staining

    • B. 

      Using an acidic dye

    • C. 

      Simple staining

    • D. 

      Using acid-fast stai

  • 25. 
    Why is immersion oil often used when viewing specimens under the microscope
    • A. 

      To stain the cells blue

    • B. 

      To prevent smear from drying out

    • C. 

      To slow bacterial movement so you can see cells better

    • D. 

      To increase the resolution

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