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Growth and Nutrition of Bacteria

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

psychrophilic
thermophilic
any of these
mesosphilic

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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

osmotolerant
aerotolerant anaerobe
neutrophile
acidophile

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Growth and Nutrition of Bacteria
All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as

phototrophs
autotrophs
photo-organotrophs
chemotrophs

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

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

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

uses oxygen when present or grows without oxygen when absent
requires less oxygen than is present in air
is killed by oxygen
doesn't use oxygen but tolerates it

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Growth and Nutrition of Bacteria
Postgates assay technique is useful in determining if a cell is viable even though it is

incapable of cell division
too small to see
a thermophile
an obligate aerobe

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MORE MCQ ON Growth and Nutrition of Bacteria

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