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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

facultative anaerobe
osmotolerant
acidophile
obligate aerobe

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

phototrophs
organotrophs
chemotrophs
lithotrophs

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

between 16-38°C
above 38°C
none of these
below 16°C

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

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

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

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

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Growth and Nutrition of Bacteria
Which of the following is used to grow bacterial cultures continuously?

Coulter Counter
Chemostat
Petroff-Hausser chamber
Hemostat

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