Q. Pseudomonas aeruginosa forms a blue water soluble pigment called

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Q. Agar is used for solidifying culture media because

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Q. For the selection of lactobacilli present in cheddar cheese, the pH of the medium is maintained at

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Q. A disease producing species occurring in a mixed culture can often be selected on the basis of its

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Q. Important example(s) of enriched medium/media is/ are

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Q. Cell counting can be carried out by

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Q. Which of the following techniques may be performed quantitatively to determine the number of bacteria of a particular type?

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Q. Intestinal bacteria can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited.

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Q. Which of the following problem makes it impossible to satisfy all of Koch's postulates?

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Q. A medium containing crystal violet dye plus sodium deoxycholate will allow

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

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Q. All bacteria that inhabit the human body are

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Q. When a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favors the growth of wanted bacteria, it is known as

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Q. Which of the following methods is most likely to be quantitative?

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Q. Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria?

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Q. Viable plate count can be obtained using

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Q. In the pour plate method, the mixed culture is diluted directly in tubes of

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Q. Treponema species from human oral cavity can be selected by using

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Q. When a substance is added to a solid medium which inhibits the growth of unwanted bacteria but permits the growth of wanted bacteria, it is known as

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Q. Peptone water and nutrient broth are

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