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Growth and Nutrition of Bacteria

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

thermophilic
mesosphilic
psychrophilic
any of these

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Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

20-30°C
25-40°C
None of these
>40°C

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Growth and Nutrition of Bacteria
An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is

aerotolerant anaerobe
acidophile
alkalophile
osmotolerant

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

requires less oxygen than is present in air
doesn't use oxygen but can grow in the presence of oxygen
prefers to grow without oxygen
is killed by oxygen

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

organotrophs
phototrophs
lithotrophs
chemotrophs

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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
uses oxygen when present or grows without oxygen when absent
requires less oxygen than is present in air
is killed by oxygen

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