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Microbiology Test 1

46 Questions
Microbiology Quizzes & Trivia

Prep for Micro test 1 Chapters 1 - 6 from Burton's Microbiology for the Health Sciences by: Paul G. Engelkirk Janet Duben-Engelkirk

Questions and Answers
  • 1. 
  • 2. 
  • 3. 
  • 4. 
  • 5. 
    Microbiology is the study of
  • 6. 
    Idividual microbes can be observed with the use of what?
  • 7. 
    Two major categories of microbes are called what?
    • A. 

      Eucaryotes and Procaryotes

    • B. 

      Acellular and cellular

    • C. 

      Pathogentic and Nonpathogenic

  • 8. 
    Another name for acellular microbes are _____ and another name for cellular microbes are ____.
  • 9. 
    • A. 

      True

    • B. 

      False

  • 10. 
    Nondisease causing microbes are considered to be nonpathogenic.
    • A. 

      True

    • B. 

      False

  • 11. 
    Microbes that live on and in the human body are referred to as our ____.
  • 12. 
    Pathogens cause 2 major types of diseases: infectious diseases and microbial diseases.
    • A. 

      True

    • B. 

      False

  • 13. 
    Pathogens cause what 2 major types of diseases?
  • 14. 
    The size of bacteria are expressed in nanometeres whereas the sizes of viruses are expressed in micrometers.
    • A. 

      True

    • B. 

      False

  • 15. 
    What is used to measure the dimensions of objects being viewed with a compund light microscope?
    • A. 

      Lens x Stage

    • B. 

      An Ocular Lens

    • C. 

      Ocular Micrometer

    • D. 

      All of the Above

  • 16. 
    A simple microscope contains only ___ magnifying lens, whereas as compound microscope contains ___ magnifying lens.
  • 17. 
    A simple microscope contains 4 different magnifying lens.
    • A. 

      True

    • B. 

      False

  • 18. 
    The resolving power of the unaided human eye is 0.2 mm
    • A. 

      True

    • B. 

      False

  • 19. 
    When using a brightfield microscope a person observes objects _______ backgroud. When using a darkfield microscope a person observes objects _______background.
  • 20. 
    The resolving power of a transmission electron microscope is what?
    • A. 

      Approximately 0.2 nanometeres

    • B. 

      1 million times better that the human eye

    • C. 

      1,000 times better than the resolving power of a compound microscope.

    • D. 

      Both A and C

    • E. 

      All of the Above

  • 21. 
    Scanning electron microscopes have a resolving power of approxiamtely 20 nanometers which is about 100 times stronger than the resolving power of a transmission electron microscope.
    • A. 

      True

    • B. 

      False

  • 22. 
    Photographs taken using compound light microscopes are called what?
  • 23. 
    Photographs taken using a transmission electron microscope or a scanning electron microscope are called transmission electron micrographs and scanning electron micrographs.
    • A. 

      True

    • B. 

      False

  • 24. 
    What do Eucaryote cells possess that Procaryote cell do not?
    • A. 

      A true nucleus

    • B. 

      A cell wall

    • C. 

      Ability to be selectively permeable

    • D. 

      Both B and C

  • 25. 
    A "true nucleus" consists of neucleoplasm, chromosomes, and a nuclear membrane.
    • A. 

      True

    • B. 

      False

  • 26. 
    What are the three parts of a "true nucleus"?
  • 27. 
    An organisims complete collection of genes is referred to as what?
    • A. 

      Genome

    • B. 

      Genotype

    • C. 

      A complete cell

    • D. 

      A true nucleus

    • E. 

      Both A & B

    • F. 

      Both C & D

  • 28. 
    ___are the sites of protein synthesis.
  • 29. 
    Which organelle is considered to be a "packaging plant" ?
    • A. 

      Rough ER

    • B. 

      Smooth ER

    • C. 

      Golgi Apparatus

    • D. 

      Mitochondria

  • 30. 
    Which organelle can be considered "power plants" or "energy factories"
    • A. 

      Rough ER

    • B. 

      Smooth ER

    • C. 

      Golgi Apparatus

    • D. 

      Mitochondria

  • 31. 
    What is the site of photosynthesis?
  • 32. 
    If a eucaryotic cell is motile is does not posses any flagella or cillia.
    • A. 

      True

    • B. 

      False

  • 33. 
    Bacterial cells are commonly surrounded by a glycocalyx. What are the two types of gycocalyx?
  • 34. 
    Bacteria never posses any cilia.
    • A. 

      True

    • B. 

      False

  • 35. 
    What are organelles of attachment, that enable bacteria to adhere to surfaces?
    • A. 

      Cilia

    • B. 

      Glycolipids

    • C. 

      Glycoproteins

    • D. 

      Pili

  • 36. 
    ____ enables the transfer of genetic material from one bacterial cell to another.
  • 37. 
    A sex pilus enables what?
  • 38. 
    What enables bacteria to survive asverse conditions such as temperate extremes, dessication, and lack of nutients?
  • 39. 
    Endospores enable bacteria to do what?
  • 40. 
    How do bacteria reproduce?
    • A. 

      Binary Fission

    • B. 

      Mitosis

    • C. 

      Meosis

  • 41. 
    The length of time it takes for one bacteria cell to split into two cells is referred to as what?
    • A. 

      Cell Life

    • B. 

      Cytokinesis

    • C. 

      Generation Time

    • D. 

      Mitosis

  • 42. 
    Name the 3 domains in the 3-Domain system.
    • A. 

      Archaea

    • B. 

      Bacteria

    • C. 

      Eucarya

    • D. 

      Procarya

    • E. 

      Fungi

  • 43. 
    Relatedness among organisims is determined by analysis of genes that code for small subunit ribosomes DNA.
    • A. 

      True

    • B. 

      False

  • 44. 
    Viruses are not alive so in order to replicate themselves they must invade a live host.
    • A. 

      True

    • B. 

      False

  • 45. 
    • A. 

      True

    • B. 

      False

  • 46. 
    Since viruses are not considered to be living organisims, they are referred to as what?