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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Quantitative measurement of bacterial growth can be carried out by measuring

cell count
cell activity
cell mass
all of these

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

between 16-38°C
below 16°C
above 38°C
none of these

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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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
all of these
S. aureus
Salmonella

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Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

lithotrophs
phototrophs
chemotrophs
organotrophs

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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
None of these
lesser than that produces three generations per hour

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