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

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Cell Cultures and Characteristics
A disease producing species occurring in a mixed culture can often be selected on the basis of its

special nitrogen source
special carbon source
none of these
pathogenic properties

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Cell Cultures and Characteristics
Important example(s) of enriched medium/media is/ are

All of these
Blood agar
Bordet-gengou medium
Loeffler's serum slope

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Cell Cultures and Characteristics
Cell size and cell number can be measured using

hemocytometer
none of these
petroff-hausser counting chamber
coulter counter

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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
enrichment medium
none of these
selective medium

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

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

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