Micro Lecture 2 Methods Of Studying Microorganisms - Tiff

18 Questions | Total Attempts: 35

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Lecture Quizzes & Trivia

This is designed to give an understanding of a few basic concepts in this lecture.


Questions and Answers
  • 1. 
    Which is not one of the 5 I's of culturing microbes?
    • A. 

      Inoculation

    • B. 

      Identification

    • C. 

      Incineration

    • D. 

      Inspection

    • E. 

      Incubation

  • 2. 
    Name one of the 3 general properties to classify media
  • 3. 
    Which is not a physical state of media?
    • A. 

      Solid

    • B. 

      Gas

    • C. 

      Liquid

    • D. 

      Semisolid

  • 4. 
    Nutrient broth is
    • A. 

      Liquid medium containing beef extract and peptone

    • B. 

      Solid medium containing beef extract, peptone, and agar

  • 5. 
    The most commonly used solidifying agent is
  • 6. 
    Which of the following describes the chemical content of media?
    • A. 

      Defined

    • B. 

      Undefined

    • C. 

      Well blended

    • D. 

      Contaminated

  • 7. 
    The following are all classes of media except:
    • A. 

      General purpose

    • B. 

      Differential

    • C. 

      Selective

    • D. 

      Enriched

    • E. 

      Superficial

  • 8. 
    Differential media contains 1+ agents that inhibit the growth of some microbes and encourage growth of the desired microbes
    • A. 

      T

    • B. 

      F

  • 9. 
    What is inoculation?
    • A. 

      Introduction of a tiny sample into a nutrient container which provides an environment that the sample does not multiply in

    • B. 

      Sexual reproduction

    • C. 

      Introduction of a tiny sample into a nutrient container which provides an environment that the sample can multiply in

  • 10. 
    Which of the following is not a culture type that can arise during inspection?
    • A. 

      Contaminated

    • B. 

      Generic

    • C. 

      Pure

    • D. 

      Mixed

  • 11. 
    What is magnification?
  • 12. 
    Resolution is....
    • A. 

      Ability to enlarge an object

    • B. 

      Ability to show detail

    • C. 

      Ability to solve a conflict

  • 13. 
    The difference between bright field and dark field is
    • A. 

      In the bright field the background is darker than the object and the dark field the object is darker than the background

    • B. 

      In the bright field the object is darker than the background and the dark field the background is darker than the object

  • 14. 
    Fluorescence is useful in diagnosing
  • 15. 
    Which electron microscope gives a 3D image?
    • A. 

      Transmission

    • B. 

      Scanning

  • 16. 
    Basic dyes dye negatively charged areas
    • A. 

      T

    • B. 

      F

  • 17. 
    Positive staining
    • A. 

      Dye sticks to background

    • B. 

      Dye sticks to microbe

  • 18. 
    The difference between a simple stain and a structural stain is
    • A. 

      A simple stain shows the organelles and the structural stain doesnt

    • B. 

      A simple stain is simple to do and a structural stain requires agar

    • C. 

      A structural stain shows organelles and simple stain shows shape and size

    • D. 

      There is no difference between the 2