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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Lag phase is also known as

none of these
period of initial adjustment
transitional period
generation time

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

Grass
Sea weed
Zooplankton
Phytoplankton

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

chemotrophs
lithotrophs
organotrophs
phototrophs

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

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

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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

chemotrophs
fastidious hetrotrophs
chemo-lithotrophs
photo-organotrophs

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

prefers to grow without oxygen
doesn't use oxygen but tolerates it
is killed by oxygen
uses oxygen when present or grows without oxygen when oxygen is absent

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