31. Which of the following disease is caused by Yersinia enterocolitica in a man?

A. Gastroenteritis
B. Mesenteric lymphadenitis
C. Septicaemia
D. All of these


Correct Answer: D. All of these

32. The most common cause of urinary tract infection in the community is

A. Klebsiella pneumoniae
B. Proteus vulgaris
C. Escherichia coli
D. Citrobacter freundii


Correct Answer: C. Escherichia coli

33. Bipolar staining is characteristic of

A. Yersinia pestis
B. Proteus mirabilis
C. Pseudomonas aeruginosa
D. all of these


Correct Answer: A. Yersinia pestis

34. Spirochaetes exhibit

A. corkscrew-like rotatory movement
B. flexion and extension motility
C. translatory motion
D. all of the above


Correct Answer: D. all of the above

35. Species of Shigella which is predominant in India is

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


Correct Answer: D. S flexneri

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