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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 days
20 hours
20 minutes
200 hours

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

binary fission
fragmentation
all of these
budding

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Growth and Nutrition of Bacteria
Some organisms can use reduced inorganic compounds as electron donors and are termed as

chemotrophs
photo-organotrophs
phototrophs
lithotrophs

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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
S. aureus
all of these
Salmonella

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

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

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Growth and Nutrition of Bacteria
Lag phase is also known as

period of initial adjustment
transitional period
none of these
generation time

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MORE MCQ ON Growth and Nutrition of Bacteria

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