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Growth and Nutrition of Bacteria

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

phototrophs
lithotrophs
chemotrophs
organotrophs

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

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

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Growth and Nutrition of Bacteria
The organism which obtain their energy from chemicals are designated as

organotrophs
chemotrophs
prototrophs
autotrophs

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

Phytoplankton
Sea weed
Grass
Zooplankton

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

H2S
light
ammonia
succinate

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Growth and Nutrition of Bacteria
Some organisms can use reduced inorganic compounds as electron donors and are termed as

chemotrophs
phototrophs
photo-organotrophs
lithotrophs

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