Q. Xylose lysine deoxycholate (XLD) agar is better selective medium than the deoxycholate citrate agar (DCA) because

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Q. Which of the following property(ies) is/are seen in the members of family Enterobacteriaceae?

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Q. Dysentery may be caused by

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Q. Which of the following(s) bacteria belong to the family Entero-bacteriaceae?

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Q. Transmission of bubonic plague is by

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Q. The bacteria, which is more resistant to adverse environmental conditions, is

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Q. The reaction(s) that is/are usually positive in Escherichia coli, is/ are

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Q. An enrichment medium for the isolation of Shigella is

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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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