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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Quantitative measurement of bacterial growth can be carried out by measuring

all of these
cell activity
cell mass
cell count

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

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

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

None of these
lesser than that produces three generations per hour
greater than that produces three generations per hour
equal to that produces three generations per hour

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Growth and Nutrition of Bacteria
Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?

Hemostat
Coulter Counter
Trubidostat
Petroff-Hausser chamber

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

is killed by oxygen
prefers to grow without oxygen
uses oxygen when present or grows without oxygen when oxygen is absent
doesn't use oxygen but tolerates it

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

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

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