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Cell Cultures and Characteristics

Cell Cultures and Characteristics
Which of the following techniques may be performed quantitatively to determine the number of bacteria of a particular type?

Streak plate technique
Pour plate
Spread plate
Both (a) and (b)

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Cell Cultures and Characteristics
Agar is used for solidifying culture media because

All of these
it does not affect by the growth of bacteria
it does not add to the nutritive properties of the medium
the melting and solidifying points of agar solution are not the same

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Cell Cultures and Characteristics
Which of the following methods is most likely to be quantitative?

Gram staining
Dilution and plating
Wet mount
None of these

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Cell Cultures and Characteristics
Stuart's transport medium is used for transport of specimen containing

Vibrio cholerae
Shigella
Neisseria gonorrhoeae
Salmonella

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

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

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Cell Cultures and Characteristics
Pseudomonas aeruginosa forms a blue water soluble pigment called

chlororaphin
pyoverdin
β-carotene
pyocyanin

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