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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Starvation proteins are produced by a culture during which of the following segments of the growth curve?

Death phase
Lag phase
Stationary phase
Exponential phase

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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
The straightforward method of binary fission explains how bacteria

grow in nutrient agar
reproduce
move
evolve

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Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

25-40°C
20-30°C
>40°C
None of these

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Growth and Nutrition of Bacteria
Nutrient content and biological structures are considered as

implicit factor for microbial growth
processing factor
intrinsic factor for microbial growth
None of these

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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

chemotrophs
photo-organotrophs
phototrophs
autotrophs

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