Q. Which of the followings can be used to differentiate between classical and El Tor biotypes of Vibrio cholerae?

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Q. Which of the following biotypes of Vibrio cholerae are prevalent in India?

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Q. Which of the following bacteria is associated with food poisoning due to consumption of sea fish?

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Q. Which of the following conditions can be caused by Plesiomonas?

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Q. Acute diarrhoeal disease resembling cholera can be caused due to

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Q. The transport medium for Vibrio cholerae can be

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Q. Which of the following does not cause wound infection following exposure to sea water or infected shellfish?

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Q. The test(s) used for the assay of cholera toxin is/are

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Q. The DNA coding for the production of cholera toxin in Vibrio cholerae is on the

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Q. The halophilic bacteria is/are

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Q. Which of the following toxin resembles cholera toxin?

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Q. The gram-negative organisms is

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Q. Catalase production is negative in which of the following?

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Q. Which of the following is a substitute for crystal violet used in gram-staining procedure?

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Q. Which of the following inference(s) indicate(s) the ability of an organism to utilize citrate as a sole source of carbon in Simmon's citrate medium?

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Q. The organisms that can be acid-fast stained is

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Q. The primary stain of Gram's method is

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Q. At what concentration of sulphuric acid, Nocardia resists decolourization?

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Q. Which of the following is commonly used as Gram's decolouriser?

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Q. Production of acetoin can be detected by which of the following tests?

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