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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

25-40°C
None of these
>40°C
20-30°C

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Growth and Nutrition of Bacteria
The microorganisms that grow best in a low-oxygen environment is called a (n)

microaerophile
facultative
anaerobe
aerobe

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 hours
200 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
log N/No = (0.3010) n
All of these
N = No2n

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Growth and Nutrition of Bacteria
The organism which obtain their energy from chemicals are designated as

autotrophs
prototrophs
organotrophs
chemotrophs

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

an archaean
a fungus
a protozoan
none of these

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