Bacteria 101

20 Questions | Attempts: 123
Share
Quiz Flashcard
SettingsSettings
Please wait...
  • 1/20 Questions

    A capsule or slime layer (glycocalyx) makes a bacteria less virulent.

    • True
    • False
Please wait...
About This Quiz

This quiz should give you a general idea about bacterial morphology and structure.

Bacteria Quizzes & Trivia

Quiz Preview

  • 2. 

    Which of the following is not a function of the cell wall?

    • Holds genetic information

    • Maintenance of cell shape

    • Prevention of osmotic lysis

    • Anchor for external structures

    • Provide environmental protection

    Correct Answer
    A. Holds genetic information
  • 3. 

    Which of the following would refer to a "grapelike cluster"?

    • Strepto-

    • Sarcina

    • Staphylo-

    • Tetrads

    • Diplo-

    Correct Answer
    A. Staphylo-
  • 4. 

    Most bacterial cell membranes contain sterols.

    • True

    • False

    Correct Answer
    A. False
  • 5. 

    Gram Positive bacteria does NOT contain which of the following?

    • Peptidoglycan

    • Teichoic Acid

    • Lipid A

    • Lipoteichoic Acid

    Correct Answer
    A. Lipid A
    Explanation
    Lipid A is found in Gram -

    Rate this question:

  • 6. 

    Which of the following is NOT an acid fast bacteria?

    • E. Coli

    • Mycobacterium tuberculosis

    • Nocardia asteroides

    • M. leprae

    Correct Answer
    A. E. Coli
    Explanation
    E.Coli is Gram -

    Rate this question:

  • 7. 

    The same bacteria Davy found is swimming toward food.  What word below describes his movement?

    • Chemotaxis

    • Twitching

    • Chemotoxicity

    • Phototrophic

    Correct Answer
    A. Chemotaxis
  • 8. 

    Which of the following is essential to bacteria because they lack compartmentalization?

    • Small surface-to-volume ratio

    • Large surface-to-volume ratio

    • Large size

    • Large volume-to-surface ratio

    Correct Answer
    A. Large surface-to-volume ratio
  • 9. 

    Gram Positive bacteria contain Lipid A that contains toxins that may cause septic shock in a host.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Lipid A is found in Gram -

    Rate this question:

  • 10. 

    The A antigen in flagellum is used in typing bacterial isolates.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Flagellum contain Antigen H

    Rate this question:

  • 11. 

    Davy is looking at some bacteria under the microscope and he notices that it has 3 flagella at one end that are helping it to swim across the viewing area.  This bacteria would be classified as?

    • Peritrichous

    • Amphitrichous

    • Lophotrichous

    • Monotrichous

    • Ciliated

    Correct Answer
    A. Lophotrichous
  • 12. 

    Which of the following refers to a wavy shape?

    • Pleomorphic

    • Coccus

    • Vibrio

    • Spirochete

    • Spirillum

    Correct Answer
    A. Spirillum
  • 13. 

    Which of the following is NOT true of bacterial ribosomes?

    • Contain 70S ribosome

    • Contain 30S subunit

    • Contain 40S subunit

    • Contain 50S subunit

    Correct Answer
    A. Contain 40S subunit
    Explanation
    40S and 60S subunits combine to make an 80S ribosome in Eukaryotic cells

    Rate this question:

  • 14. 

    Which of the following allows you to detect the presence of a capsule when S. pneumoniae is suspected?

    • Quahog reaction

    • Quellung reaction

    • Acid fast reaction

    • Gram Staining

    Correct Answer
    A. Quellung reaction
  • 15. 

    Which of the following are NOT found in Gram Negative bacteria?

    • Lipopolysaccharide

    • O antigen

    • Trimeric Porins

    • Lipid A

    • H antigen

    Correct Answer
    A. H antigen
    Explanation
    H antigen is found in the flagellum

    Rate this question:

  • 16. 

    Which of the following is NOT a function of pili?

    • Bind to sugars using lectins

    • Twitching

    • Secreted slime layer

    • Adhesion to a host cell

    • Exchanging DNA

    Correct Answer
    A. Secreted slime layer
  • 17. 

    Which of the following refers to a short rod?

    • Coccus

    • Bacillus

    • Vibrio

    • Coccobacillus

    • Spirillum

    Correct Answer
    A. Coccobacillus
  • 18. 

    What structure in Gram Negative bacteria serves as a stabilizer for the outer membrane?

    • Teichoic Acid

    • Mycolic Acid

    • Lipoprotein

    • Lipopolysaccharide

    • Periplasmic Space

    Correct Answer
    A. Lipoprotein
  • 19. 

    What stain is used for acid fast bacteria?  May choose more than one.

    • Ziehl-Neehlson Stain

    • Gram Stain

    • Carbol fuchsin dye

    • Methylene Blue

    • PAS

    Correct Answer(s)
    A. Carbol fuchsin dye
    A. Methylene Blue
    Explanation
    Gram stain determines Gram + or Gram -, and PAS is used in Fungi and other carbohydrate containing organisms

    Rate this question:

  • 20. 

    Which of the following does a bacterial cell wall contain?

    • Chitin

    • Peptidoglycan

    • Cellulose

    • Erogosterol

    • Mannan

    Correct Answer
    A. Chitin

Quiz Review Timeline (Updated): Jan 7, 2013 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 07, 2013
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 05, 2009
    Quiz Created by
    Erika.anderson
Back to Top Back to top
Advertisement
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.