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Cell Cultures and Characteristics

Cell Cultures and Characteristics
To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of

8.90
6.79
3.5
8.5

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Cell Cultures and Characteristics
The medium which allows the growth of more than one microorganisms of interest but with morphologically distinguishable colonies is known as

differential medium
none of these
enrichment medium
selective medium

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Cell Cultures and Characteristics
Cell counting can be carried out by

plate counting
All of these
direct microscopic count using petroffhansser counting chamber
membrane filter count

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Cell Cultures and Characteristics
For the selection of lactobacilli present in cheddar cheese, the pH of the medium is maintained at

5.35
6.35
4.35
5.75

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Cell Cultures and Characteristics
Which of the following bacteria can grow in acidic pH?

Vibrio cholerae
Salmonella
Shigella
Lactobacilli

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Cell Cultures and Characteristics
In the pour plate method, the mixed culture is diluted directly in tubes of

both (a) and (b)
liquid agar medium
none of these
sterile liquid usually water

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