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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
An organism is completely dependent on atmospheric O2 for growth. This organism is

osmotolerant
facultative anaerobe
obligate aerobe
acidophile

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Growth and Nutrition of Bacteria
An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

aerotolerant anaerobe
osmotolerant
acidophile
neutrophile

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

anaerobe
facultative
microaerophile
aerobe

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

none of these
extrinsic factor
intrinsic factor
both (a) and (b)

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

mesosphilic
psychrophilic
thermophilic
any of these

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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
chemo-lithotrophs
fastidious hetrotrophs
photo-organotrophs

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