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Growth and Nutrition of Bacteria

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

prototrophs
organotrophs
autotrophs
chemotrophs

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

phototrophs
chemotrophs
lithotrophs
photo-organotrophs

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Growth and Nutrition of Bacteria
Lag phase is also known as

transitional period
period of initial adjustment
none of these
generation time

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

thermophilic
any of these
mesosphilic
psychrophilic

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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

photo-organotrophs
chemo-lithotrophs
fastidious hetrotrophs
chemotrophs

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Growth and Nutrition of Bacteria
A synergistic effect is observed when

All of these
one organism produces a growth factor utilized by another
one organism removes an inhibitory substance for another
microbial alteration of pH, aw, Eh favours the growth of another

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