Discussion
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- Question
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
- Correct Answer
- All of these
- 1. 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
- 2. 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
- 3. Which of the following(s) bacteria belong to the family Entero-bacteriaceae?
Options- A. Yersinia
- B. Shigella
- C. Salmonella
- D. All of these Discuss
- 4. Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests?
Options- A. Decarboxylation of ornithine
- B. Fermentation of sucrose and cellobiose
- C. Motility at 22°C
- D. All of these Discuss
- 5. Which of the following property(ies), shown by the organisms belong(s) to the family Enterobacteriaceae?
Options- A. They are catalase-positive
- B. They are oxidase-negative
- C. They ferment glucose
- D. All of these Discuss
- 6. Sylvatic plague occurs in
Options- A. mice
- B. squirrels
- C. chipmunks
- D. all of these Discuss
- 7. Species of Shigella which is predominant in India is
Options- A. S sonnei
- B. S dysenteriae
- C. S boydii
- D. S flexneri Discuss
- 8. Example of the pathogenic bacteria is/are
Options- A. L biflexa
- B. Lparva
- C. Leptospira interrogans
- D. All of these Discuss
- 9. Dysentery may be caused by
Options- A. enteropathogenic Escherichia coli
- B. enteroinvasive E. coli
- C. enterotoxigenic E. coli
- D. verotoxigenic E. coli Discuss
- 10. 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
Spirochacter and Enterobacteriaceac problems
Search Results
Correct Answer: They are oxidase-negative
Correct Answer: it is less inhibitory to S. Dysentriae and S. flexneri
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: all of these
Correct Answer: S flexneri
Correct Answer: Leptospira interrogans
Correct Answer: enterotoxigenic E. coli
Correct Answer: 1:200 or more
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