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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
What is the primary source of food for marine life?

Zooplankton
Phytoplankton
Sea weed
Grass

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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

fastidious hetrotrophs
chemo-lithotrophs
photo-organotrophs
chemotrophs

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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
Which of the following has more tolerance for acidic pH (lower pH)?

E. coli
Bacteria
Yeast and moulds
None of these

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Growth and Nutrition of Bacteria
Implicit factors

can be synergistic
None of these
both (a) and (b)
depend on developing microflora

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

20-30°C
25-40°C
>40°C
None of these

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