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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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Growth and Nutrition of Bacteria
Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?

Coulter Counter
Petroff-Hausser chamber
Trubidostat
Hemostat

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

both (a) and (b)
extrinsic factor
none of these
intrinsic factor

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Growth and Nutrition of Bacteria
An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

osmotolerant
aerotolerant anaerobe
neutrophile
acidophile

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Growth and Nutrition of Bacteria
In the exponential phase, the cells and cell mass

double at a constant rate
first increases then decreases
decreases
are constant

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

microaerophile
anaerobe
aerobe
facultative

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