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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

chemo-lithotrophs
chemo-organotrophs
none of these
both (a) and (b)

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

chemotrophs
lithotrophs
phototrophs
photo-organotrophs

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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
osmotolerant
alkalophile

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

form a long chain glycocalyx
produce a blue-green pigment
are highly susceptible to penicillin
make their own food

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

facultative
aerobe
anaerobe
microaerophile

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

oxygen for activation of enzymes
low levels of oxygen for growth (lesser than O2 present in atmosphere)
21 % oxygen for growth
None of these

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