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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
The straightforward method of binary fission explains how bacteria

move
reproduce
grow in nutrient agar
evolve

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Growth and Nutrition of Bacteria
What is the primary source of food for marine life?

Grass
Sea weed
Phytoplankton
Zooplankton

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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

alkalophile
acidophile
osmotolerant
aerotolerant anaerobe

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 days
200 hours
20 minutes
20 hours

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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)
extrinsic factor
intrinsic factor

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