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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Implicit factors

depend on developing microflora
None of these
both (a) and (b)
can be synergistic

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Growth and Nutrition of Bacteria
The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of

C. botulinum
Salmonella
all of these
S. aureus

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Growth and Nutrition of Bacteria
The cell reproduction in bacteria may occur by

binary fission
budding
all of these
fragmentation

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Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

none of these
number of generations per unit time
both (a) and (b)
reciprocal of generation time

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Growth and Nutrition of Bacteria
What is the primary source of food for marine life?

Zooplankton
Sea weed
Phytoplankton
Grass

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Growth and Nutrition of Bacteria
An organism is completely dependent on atmospheric O2 for growth. This organism is

facultative anaerobe
osmotolerant
obligate aerobe
acidophile

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