The Enterobacteriaceae Quiz

42 Questions | Total Attempts: 80

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The Enterobacteriaceae Quiz

Studying bacterias? Do you know about Enterobacteriaceae? It is a large group of Gram-negative bacteria. It was first proposed to the world of science by Rahn in 1936, and now includes over 30 genera and 100 species. If you know about this bacteria well, you should definitely be able to complete this quiz. All the best!


Questions and Answers
  • 1. 
    Member/s of the Escherichieae tribe
    • A. 

      Escherichia

    • B. 

      Shigella

    • C. 

      Edwardsiella

    • D. 

      Salmonella

    • E. 

      Citrobacter

    • F. 

      Klebsiella

    • G. 

      Enterobacter

    • H. 

      Pantoea

    • I. 

      Cronobacter

    • J. 

      Hafnia

    • K. 

      Serratia

  • 2. 
    Member/s of the Edwardsielleae tribe
    • A. 

      Escherichia

    • B. 

      Shigella

    • C. 

      Edwardsiella

    • D. 

      Salmonella

    • E. 

      Citrobacter

    • F. 

      Klebsiella

    • G. 

      Enterobacter

    • H. 

      Pantoea

    • I. 

      Cronobacter

    • J. 

      Hafnia

    • K. 

      Serratia

  • 3. 
    Member/s of the Salmonelleae tribe
    • A. 

      Escherichia

    • B. 

      Shigella

    • C. 

      Edwardsiella

    • D. 

      Salmonella

    • E. 

      Citrobacter

    • F. 

      Klebsiella

    • G. 

      Enterobacter

    • H. 

      Pantoea

    • I. 

      Cronobacter

    • J. 

      Hafnia

    • K. 

      Serratia

  • 4. 
    Member/s of the Citrobacteriaceae tribe
    • A. 

      Escherichia

    • B. 

      Shigella

    • C. 

      Edwardsiella

    • D. 

      Salmonella

    • E. 

      Citrobacter

    • F. 

      Klebsiella

    • G. 

      Enterobacter

    • H. 

      Pantoea

    • I. 

      Cronobacter

    • J. 

      Hafnia

    • K. 

      Serratia

  • 5. 
    Member/s of the Klebsielleae tribe
    • A. 

      Escherichia

    • B. 

      Shigella

    • C. 

      Edwardsiella

    • D. 

      Salmonella

    • E. 

      Citrobacter

    • F. 

      Klebsiella

    • G. 

      Enterobacter

    • H. 

      Pantoea

    • I. 

      Cronobacter

    • J. 

      Hafnia

    • K. 

      Serratia

    • L. 

      Proteus

    • M. 

      Providencia

    • N. 

      Morganella

    • O. 

      Yersinia

  • 6. 
    Member/s of the Proteeae tribe
    • A. 

      Escherichia

    • B. 

      Shigella

    • C. 

      Edwardsiella

    • D. 

      Salmonella

    • E. 

      Citrobacter

    • F. 

      Klebsiella

    • G. 

      Enterobacter

    • H. 

      Pantoea

    • I. 

      Cronobacter

    • J. 

      Hafnia

    • K. 

      Serratia

    • L. 

      Proteus

    • M. 

      Providencia

    • N. 

      Morganella

    • O. 

      Yersinia

  • 7. 
    Member/s of the Yersinieae tribe
    • A. 

      Escherichia

    • B. 

      Shigella

    • C. 

      Edwardsiella

    • D. 

      Salmonella

    • E. 

      Citrobacter

    • F. 

      Klebsiella

    • G. 

      Enterobacter

    • H. 

      Pantoea

    • I. 

      Cronobacter

    • J. 

      Hafnia

    • K. 

      Serratia

    • L. 

      Proteus

    • M. 

      Providencia

    • N. 

      Morganella

    • O. 

      Yersinia

  • 8. 
    Facts about Enterobacteriaceae
    • A. 

      Gram negative non sporeforming rods

    • B. 

      Gram negative sporeforming rods

    • C. 

      All are motile w/ peritrichous flagella

    • D. 

      Facultative anaerobes

    • E. 

      Obligate aerobes

    • F. 

      Can ferment all carbohydrates

    • G. 

      All ferment glucose

  • 9. 
    What causes the color change in Oxidase test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 10. 
    What causes the color change in Nitrate reduction?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 11. 
    What causes the color change in ONPG test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 12. 
    What causes the color change in SIM: Sulfide test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 13. 
    What causes the color change in MUG test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 14. 
    What causes the color change in SIM: Indole test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 15. 
    What causes the color change in Methyl red test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 16. 
    What causes the color change in Voges-Prokauer test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 17. 
    What causes the color change in Citrate ulitization?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 18. 
    Hat causes the color change in Lysine Iron Agar (Lysine deamination)?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 19. 
    Hat causes the color change in Lysine Iron Agar (Lysine decarboxylation)?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 20. 
    Hat causes the color change in Ornithine Decarboxylase and Arginine Dihydrolase?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 21. 
    Hat causes the color change in Phenylalanine deaminase test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 22. 
    Hat causes the color change in Urease test?
    • A. 

      Indophenol

    • B. 

      N,N dimethyl α-naphthylamine & Sulfanilic acid

    • C. 

      O-nitrophenol

    • D. 

      Ferrous sulfide

    • E. 

      4-Methylumbelliferyl moiety

    • F. 

      Triarylmethane dye

    • G. 

      Mixed acids + Methyl red

    • H. 

      Diacetyl + KOH + α--naphthol

    • I. 

      Ammonia & ammonium hydroxide (causes shift in pH to alkaline)

    • J. 

      NH3 + α ketocarboxylic acid + Ferric ammonium citrate + Flavin mononucleotide (coenzyme)

    • K. 

      Cadaverine

    • L. 

      Putrescine

    • M. 

      NH3 + Phenylpyruvic acid + FeCl3

    • N. 

      H2O + CO2 + Ammonia (NH3) causes shift in pH

  • 23. 
    Rapid Lactose Fermenters (w/ lactose permease and β-galactosidase)
    • A. 

      Escherichia

    • B. 

      Klebsiella

    • C. 

      Enterobacter

    • D. 

      Salmonella enterica subsp. arizonae

    • E. 

      Shigella sonnei

    • F. 

      Serratia

    • G. 

      Hafnia

    • H. 

      Yersinia

    • I. 

      Citrobacter

    • J. 

      Salmonella

    • K. 

      Shigella

    • L. 

      Proteus

    • M. 

      Providencia

    • N. 

      Morganella

    • O. 

      Edwardsiella

    • P. 

      Erwinia

  • 24. 
    Late Lactose Fermenters (w/ β-galactosidase)
    • A. 

      Escherichia

    • B. 

      Klebsiella

    • C. 

      Enterobacter

    • D. 

      Salmonella enterica subsp. arizonae

    • E. 

      Shigella sonnei

    • F. 

      Serratia

    • G. 

      Hafnia

    • H. 

      Yersinia

    • I. 

      Citrobacter

    • J. 

      Salmonella

    • K. 

      Shigella

    • L. 

      Proteus

    • M. 

      Providencia

    • N. 

      Morganella

    • O. 

      Edwardsiella

    • P. 

      Erwinia

  • 25. 
    Non-Lactose Fermenters
    • A. 

      Escherichia

    • B. 

      Klebsiella

    • C. 

      Enterobacter

    • D. 

      Salmonella enterica subsp. arizonae

    • E. 

      Shigella sonnei

    • F. 

      Serratia

    • G. 

      Hafnia

    • H. 

      Yersinia

    • I. 

      Citrobacter

    • J. 

      Salmonella

    • K. 

      Shigella

    • L. 

      Proteus

    • M. 

      Providencia

    • N. 

      Morganella

    • O. 

      Edwardsiella

    • P. 

      Erwinia

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