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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Which of the following has more tolerance for acidic pH (lower pH)?

Yeast and moulds
E. coli
Bacteria
None of these

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

a protozoan
a fungus
an archaean
none of these

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

25-40°C
None of these
20-30°C
>40°C

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

phototrophs
organotrophs
chemotrophs
lithotrophs

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Growth and Nutrition of Bacteria
Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as

photo-organotrophs
chemotrophs
chemo-lithotrophs
fastidious hetrotrophs

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Growth and Nutrition of Bacteria
The organism which grows best above 45°C are called

mesosphilic
psychrophilic
any of these
thermophilic

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