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Growth and Nutrition of Bacteria

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

binary fission
budding
fragmentation
all of these

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 minutes
20 days
200 hours
20 hours

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Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

none of these
a fungus
an archaean
a protozoan

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

chemo-organotrophs
none of these
both (a) and (b)
chemo-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

S. aureus
Salmonella
C. botulinum
all of these

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

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

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