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Growth and Nutrition of Bacteria

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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Growth and Nutrition of Bacteria
In the exponential phase, the cells and cell mass

first increases then decreases
double at a constant rate
decreases
are constant

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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
neutrophile
acidophile
aerotolerant anaerobe

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Growth and Nutrition of Bacteria
The growth is normally expressed as __________ in turbidimetric measurement

cfu/ml
cells per ml
optical density
mg N2 /ml

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Growth and Nutrition of Bacteria
Bacteria of genus Nitrosomonas use __________ as their electron source.

H2S
succinate
ammonia
light

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Growth and Nutrition of Bacteria
The straightforward method of binary fission explains how bacteria

reproduce
evolve
grow in nutrient agar
move

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