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Home Microbiology Spirochacter and Enterobacteriaceac Comments

  • Question
  • Species of Shigella which is predominant in India is


  • Options
  • A. S sonnei
  • B. S dysenteriae
  • C. S boydii
  • D. S flexneri

  • Correct Answer
  • S flexneri 


  • Spirochacter and Enterobacteriaceac problems


    Search Results


    • 1. Sylvatic plague occurs in

    • Options
    • A. mice
    • B. squirrels
    • C. chipmunks
    • D. all of these
    • Discuss
    • 2. Selective media for the isolation of Shigella is

    • Options
    • A. Hektoen enteric agar
    • B. Salmonella-Shigella agar
    • C. Xylose lysine deoxycholate agar
    • D. All of these
    • Discuss
    • 3. Which of the following property(ies) is/are seen in the members of family Enterobacteriaceae?

    • Options
    • A. They are catalase-positive
    • B. They are oxidase-negative
    • C. They ferment glucose
    • D. They reduce nitrates to nitrites
    • Discuss
    • 4. Xylose lysine deoxycholate (XLD) agar is better selective medium than the deoxycholate citrate agar (DCA) because

    • Options
    • A. it is selective
    • B. it imparts better growth
    • C. it contains high salt concentration
    • D. it is less inhibitory to S. Dysentriae and S. flexneri
    • Discuss
    • 5. Which of the following(s) bacteria belong to the family Entero-bacteriaceae?

    • Options
    • A. Yersinia
    • B. Shigella
    • C. Salmonella
    • D. All of these
    • Discuss
    • 6. Example of the pathogenic bacteria is/are

    • Options
    • A. L biflexa
    • B. Lparva
    • C. Leptospira interrogans
    • D. All of these
    • Discuss
    • 7. Dysentery may be caused by

    • Options
    • A. enteropathogenic Escherichia coli
    • B. enteroinvasive E. coli
    • C. enterotoxigenic E. coli
    • D. verotoxigenic E. coli
    • Discuss
    • 8. In Widal test the significant titres for H agglutinins is

    • Options
    • A. 1:50 or more
    • B. 1:100 ormore
    • C. 1:200 or more
    • D. 1:400 or more
    • Discuss
    • 9. Primarily human pathogenic bacteria is/are ,

    • Options
    • A. Salmonella typhi
    • B. S paratyphi A
    • C. S paratyphi B
    • D. all of these
    • Discuss
    • 10. Heat-stable enterotoxin of Escherichia coli activates

    • Options
    • A. adenylate cyclase
    • B. guanylate cyclase
    • C. both of the above
    • D. none of these
    • Discuss


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