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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Postgates assay technique is useful in determining if a cell is viable even though it is

a thermophile
too small to see
incapable of cell division
an obligate aerobe

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

Hyphomicrobium vulgare
Rhodopseudomonas acidophila
Bacillus subtilis
Both (a) and (b)

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

exhaustion of nutrients
accumulation of toxic metabolites
all of these
rise in cell density

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

equal to that produces three generations per hour
greater than that produces three generations per hour
lesser than that produces three generations per hour
None of these

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Growth and Nutrition of Bacteria
The microorganisms that grow best in a low-oxygen environment is called a (n)

aerobe
microaerophile
facultative
anaerobe

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Growth and Nutrition of Bacteria
Which of the following is used to grow bacterial cultures continuously?

Chemostat
Hemostat
Petroff-Hausser chamber
Coulter Counter

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