Spirochacter and Enterobacteriaceac Questions

• Transmission of pneumonic plague from man to man is through
• The bacteria which produce(s) β-galactosidase is/are
• Which of the following is the commonest species of Salmonella for causing zoonotic disease?
• Which of the following media is selective for Salmonella?
• In Widal test, the significant titre for O agglutinins is generally
• Sereny test is used for the detection of
• Traveller's diarrhea is caused by
• The technique(s), used for the assay of heat-labile enterotoxin produced by Escherichia coli, is/are
• The reaction(s) that is/are usually positive in Escherichia coli, is/ are
• The media which serve(s) as enrichment media for Salmonella is/are
• Verotoxin 1 of Escherichia coli is similar to
• Which of the following determine the pathogenicity of Yersinia pestis?
• In Yersinia pestis, capsule is best demonstrated in cultures grown at
• The most common cause of urinary tract infection in the community is
• The agent(s) which can cause plague is/are
• The bacteria that is negative for fermentation of mannitol is
• Spirochaetes exhibit
• Which of the following serotypes of Salmonella can cause gastroenteritis?
• Which of the following can readily kill Salmonellae?
• Transmission of bubonic plague is by