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Growth and Nutrition of Bacteria

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

none of these
a fungus
a protozoan
an archaean

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

200 hours
20 hours
20 days
20 minutes

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Growth and Nutrition of Bacteria
The equation used to obtain bacterial population by binary fission is

log(N/No) = nlog 2
N = No2n
All of these
log N/No = (0.3010) n

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

chemotrophs
organotrophs
lithotrophs
phototrophs

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

lesser than that produces three generations per hour
greater than that produces three generations per hour
None of these
equal to that produces three generations per hour

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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

all of these
S. aureus
C. botulinum
Salmonella

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MORE MCQ ON Growth and Nutrition of Bacteria

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