Q. In Widal test the significant titres for H agglutinins is

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Q. Heat-labile enterotoxin of Escherichia coli activates

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Q. Heat-stable enterotoxin of Escherichia coli activates

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Q. The bacteria that is negative for fermentation of mannitol is

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Q. Transmission of pneumonic plague from man to man is through

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Q. Which of the following genus belongs to family Spirochaetaceae?

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Q. Which of the following bacteria is/are known as coliform bacilli?

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Q. The agent(s) which can cause plague is/are

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Q. Salmonellae can also be killed by

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Q. Sereny test is used for the detection of

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Q. Prodigiosin (red pigment) is produced by members of genus

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Q. Which of the following serotypes of Salmonella can cause gastroenteritis?

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Q. Sylvatic plague occurs in

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Q. Verotoxin 1 of Escherichia coli is similar to

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Q. Which of the following determine the pathogenicity of Yersinia pestis?

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Q. Enterobacter can be differentiated from Klebsiella by

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Q. In Yersinia pestis, capsule is best demonstrated in cultures grown at

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Q. Which of the following can readily kill Salmonellae?

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Q. Traveller's diarrhea is caused by

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

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