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Growth and Nutrition of Bacteria

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

succinate
ammonia
H2S
light

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

anaerobe
aerobe
facultative
microaerophile

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Growth and Nutrition of Bacteria
Lag phase is also known as

generation time
none of these
period of initial adjustment
transitional period

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Growth and Nutrition of Bacteria
Implicit factors

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

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

psychrophilic
mesosphilic
thermophilic
any of these

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Growth and Nutrition of Bacteria
The term facultative anaerobe refers to an organism that

doesn't use oxygen but tolerates it
requires less oxygen than is present in air
is killed by oxygen
uses oxygen when present or grows without oxygen when absent

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