Bacteria By Gram Stain Grouping

23 Questions | Total Attempts: 408

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Bacteria Quizzes & Trivia

Gram Straining is a method of staining used to distinguish and classify bacterial species into two large groups, which are negative or positive. Do you believe you can classify bacteria into their correct groups? If you said yes the take up the test below to prove it. All the best!


Questions and Answers
  • 1. 
    Which of the following are Gram Positive Cocci (MARK ALL THAT APPLY)
    • A. 

      Staphylococcus

    • B. 

      Neisseria

    • C. 

      Peptococcus

    • D. 

      Veillonella

    • E. 

      Actinomyces

    • F. 

      Micrococcus

  • 2. 
    Which of the following are Gram Negative Cocci (MARK ALL THAT APPLY)
    • A. 

      Acinetobacter

    • B. 

      Branhamella

    • C. 

      Kingella

    • D. 

      Moraxella

    • E. 

      Neisseria

    • F. 

      Veillonella

    • G. 

      Actinomyces

  • 3. 
    Which of the following are Gram Negative Rods (MARK ALL THAT APPLY)
    • A. 

      Actinomyces

    • B. 

      Corynebacterium

    • C. 

      Erysipelothrix

    • D. 

      Escherichia

    • E. 

      Klebsiella

    • F. 

      Salmonella

    • G. 

      Shigella

  • 4. 
    Stomatococcus is a gram POSITIVE cocci
    • A. 

      True

    • B. 

      False

  • 5. 
    Planococcus is a gram POSITIVE cocci
    • A. 

      True

    • B. 

      False

  • 6. 
    Citrobacter is a gram POSITIVE cocci
    • A. 

      True

    • B. 

      False

  • 7. 
    Which ONE of the following is a Gram POSITIVE rod
    • A. 

      Peptococcus

    • B. 

      Actinomyces

    • C. 

      Gemella

    • D. 

      Staphylococcus

    • E. 

      Ruminococcus

  • 8. 
    Actinobacillus, Capnocytophaga, Cardiobacterium, and Haemophilus are all gram POSITIVE rods
    • A. 

      True

    • B. 

      False

  • 9. 
    Gardnerella and Pasteurella are both gram NEGATIVE rods
    • A. 

      True

    • B. 

      False

  • 10. 
    Bacillus, Listeria, and Norcardia are all gram ____________ 
    • A. 

      Negative rods

    • B. 

      Positive rods

    • C. 

      Negative cocci

    • D. 

      Positive cocci

  • 11. 
    Actinomyces Corynebacterium Erysipelothrix are all gram ______________
    • A. 

      Negative rods

    • B. 

      Positive rods

    • C. 

      Negative cocci

    • D. 

      Positive cocci

  • 12. 
    Serratia Aeromonas Morganella Proteus Legionella Eikenella are all gram ____________________
    • A. 

      Negative rods

    • B. 

      Positive rods

    • C. 

      Negative cocci

    • D. 

      Positive cocci

  • 13. 
    Francisella, Brucella, and Bordatella are all gram _________________
    • A. 

      Negative rods

    • B. 

      Positive rods

    • C. 

      Negative cocobacili

    • D. 

      Positive cocobacili

  • 14. 
    Bartonella, Bacterioides, Bilophilia, and Borrelia are all gram NEGATIVE rods
    • A. 

      True

    • B. 

      False

  • 15. 
    Citrobacter, Cedecea, Campylobacter, Capnocytophaga, Cardiobacterium, and Chrombacterium are all gram NEGATIVE rods
    • A. 

      True

    • B. 

      False

  • 16. 
    Actinomyces is gram positive rods
    • A. 

      True

    • B. 

      False

  • 17. 
    Corynebacterium is gram negative rods
    • A. 

      True

    • B. 

      False

  • 18. 
    Which of the following are RODS (MARK ALL THAT APPLY)
    • A. 

      Gemella

    • B. 

      Veillonella

    • C. 

      Kingella

    • D. 

      Hafnia

    • E. 

      Vibrio

    • F. 

      Norcardia

    • G. 

      Spirillum-coiled

    • H. 

      Treponema

  • 19. 
    Which of the following are cocci (MARK ALL THAT APPLY)
    • A. 

      Neisseria

    • B. 

      Moraxella

    • C. 

      Veillonella

    • D. 

      Ruminococcus

    • E. 

      Gemella

    • F. 

      Lactobacillus

    • G. 

      Gardnerella

    • H. 

      Proteus

    • I. 

      Plesiomonas

  • 20. 
    The bacteria that end in -coccus PLUS Gemella are all gram positive cocci
    • A. 

      True

    • B. 

      False

  • 21. 
    All of the bacteria that end in -ella are ALL gram NEGATIVE
    • A. 

      True

    • B. 

      False

  • 22. 
    Clostridium and Actinomyces are gram POSITIVE rods
    • A. 

      True

    • B. 

      False

  • 23. 
    Which of the following are gram POSITIVE rods (MARK ALL THAT APPLY)
    • A. 

      Clostridium

    • B. 

      Actinomyces

    • C. 

      Bifidobacterium

    • D. 

      Fusobacterium

    • E. 

      Lactobacillus

    • F. 

      Helicobacter

    • G. 

      Propionibacterium

    • H. 

      Treponema

    • I. 

      Eubacterium

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