Q. The National Collection of Type Cultures is situated in ____________

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Q. The American Type Culture Collection, located in Rockville, Maryland in the year 1980 has a collection of bacterial strain in what numbers?

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Q. Which of the following has a larger diameter?

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Q. Surface texture of strains are related to virulence.

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Q. What is the color of colonies of Staphylococcus aureus?

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Q. Pyoverdin is which type of pigment?

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Q. Growth in broth cultures occurs mainly in the form of __________

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Q. Which bacteria among the following produces a water-insoluble pigment?

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Q. Which of the following bacteria can grow in acidic pH?

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Q. Cell size and cell number can be measured using

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Q. Which of the following is used for the proper maintenance and preservation of pure cultures?

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Q. In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at

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Q. The solidifying agent commonly used in preparation of media is/are

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Q. Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni?

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Q. To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of

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Q. For the selection of endospore-forming bacteria, a mixed culture can be heated at

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Q. The concentration of agar to obtain semi solid media is

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Q. Which of the following bacteria dies quickly after drying?

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Q. Mac-Conkey medium is an example of

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Q. Pseudomonas aeruginosa forms a blue water soluble pigment called

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