How Much Do You Actually Know About Microbiology? Quiz

50 Questions | Total Attempts: 357

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How Much Do You Actually Know About Microbiology? Quiz

Do you consider yourself so smart when it comes to microbiology that no question will be that hard for you? The quiz below is exactly what you need to test out your microbiology skills and whether you stand a chance at acing the final exams. Why don’t you give it a shot and get to find out? All the best and share with the rest of your study group.


Questions and Answers
  • 1. 
    Which of the following end products is not associated with fermentation?
    • A. 

      Ethanol

    • B. 

      Acetyl CoA

    • C. 

      Lactic acid

    • D. 

      Pentoses

  • 2. 
    The most universal diagnostic staining technique for identification of bacteria is the ______.
    • A. 

      Simple

    • B. 

      Acid fast

    • C. 

      Gram

    • D. 

      Spore

  • 3. 
    Enzymes that are produced continuously are:
    • A. 

      Constitutive

    • B. 

      Induced

  • 4. 
    The complete aerobic respiration of glucose results in the net gain of:
    • A. 

      34 ATP

    • B. 

      4 ATP

    • C. 

      2 ATP

    • D. 

      38 ATP

  • 5. 
    Media which are chemically defined are ________,
    • A. 

      Nonsynthetic

    • B. 

      Synthetic

  • 6. 
    Another name for bacteria that are round in shape is:
    • A. 

      Bacillus

    • B. 

      Coccus

    • C. 

      Spirillum

    • D. 

      None of the above

  • 7. 
    All of the following are metallic co-factors except:
    • A. 

      Copper

    • B. 

      Vitamins

    • C. 

      Iron

    • D. 

      Zinc

  • 8. 
    A culture which contains unwanted microbes of uncertain identity is a ______ culture.
    • A. 

      Contaminated

    • B. 

      Pure (axenic)

  • 9. 
    The largest and least specific taxa (group) in a classification system are:
    • A. 

      Kingdoms

    • B. 

      Species

    • C. 

      Classes

    • D. 

      Order

  • 10. 
    Inward extensions of the cell membrane of bacteria as coiled passages or sacs in the cytoplasm are called:
    • A. 

      Plasmids

    • B. 

      Spores

    • C. 

      Granules

    • D. 

      Mesosomes

  • 11. 
    Amphibolism refers to the property of a system to function in:
    • A. 

      Anabolism only

    • B. 

      Catabolism only

    • C. 

      Both anabolism and catabolism

    • D. 

      None of these

  • 12. 
    All of the following are products of carbohydrate biosynthesis except:
    • A. 

      Capsules

    • B. 

      Proteins

    • C. 

      Glycocalyx

    • D. 

      Cell walls

  • 13. 
    The microscope which uses ultraviolet radiation as an illumination source is the _______ microscope.
    • A. 

      Fluorescence

    • B. 

      Electron

    • C. 

      Staining

    • D. 

      Phase-contrast

  • 14. 
    Which of the following is not an electron acceptor in aerobic respiration?
    • A. 

      Nitrate

    • B. 

      Oxygen

    • C. 

      Carbonate

    • D. 

      Sulfate

  • 15. 
    The cytochromes are associated with?
    • A. 

      Photosynthesis

    • B. 

      Fermentation

    • C. 

      Oxidative phosphorylation

    • D. 

      None of these

  • 16. 
    In aerobic bacteria the compound acetyl CoA enters into the:
    • A. 

      Electron transport chain

    • B. 

      Calvin cycle

    • C. 

      Citric acid cycle

    • D. 

      Glycolytic cycle

  • 17. 
    The orderly arrangement of organisms into groups is called:
    • A. 

      Nomenclature

    • B. 

      Identification

    • C. 

      Classification

    • D. 

      Division

  • 18. 
    Media that are designed (formulated) to grow a broad spectrum of microbes that do not have special growth requirements are:
    • A. 

      Enriched

    • B. 

      General purpose

  • 19. 
    Which of the following is an area in applied microbiology?
    • A. 

      Epidemiology

    • B. 

      Genetics

    • C. 

      Metabolism

    • D. 

      Biochemistry

  • 20. 
    The molecule _____ is a factor in the heat resistance of bacterial spores.
    • A. 

      Muramic acid

    • B. 

      Dipicolinic acid

    • C. 

      Citric acid

    • D. 

      Pyruvic acid

  • 21. 
    Small circular strands of DNA that confer protective traits to a bacterial cell are:
    • A. 

      Mesosomes

    • B. 

      Granules

    • C. 

      Pili

    • D. 

      Plasmids

  • 22. 
    Energy in the form of ATP is required for the synthesis of:
    • A. 

      Nucleic acids

    • B. 

      Proteins

    • C. 

      Carbohydrates

    • D. 

      All of these

  • 23. 
    Which of the following microorganisms does not have a cell wall?
    • A. 

      Gram positive bacteria

    • B. 

      Archaeobacteria

    • C. 

      Mycoplasmas

    • D. 

      Gram negative bacteria

  • 24. 
    Bacteria which cause disease are:
    • A. 

      Pathogenic

    • B. 

      Non-pathogenic

  • 25. 
    The surface filaments which are responsible for the motility of most bacteria are called:
    • A. 

      Pili

    • B. 

      Capsules

    • C. 

      Cell walls

    • D. 

      Flagella

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