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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)?

E. coli
Bacteria
None of these
Yeast and moulds

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

microaerophile
aerobe
anaerobe
facultative

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Growth and Nutrition of Bacteria
The straightforward method of binary fission explains how bacteria

reproduce
grow in nutrient agar
move
evolve

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

oxygen for activation of enzymes
low levels of oxygen for growth (lesser than O2 present in atmosphere)
21 % oxygen for growth
None of these

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Growth and Nutrition of Bacteria
Bacteria of genus Nitrosomonas use __________ as their electron source.

H2S
ammonia
succinate
light

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

organotrophs
chemotrophs
phototrophs
lithotrophs

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