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Growth and Nutrition of Bacteria

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

Sea weed
Zooplankton
Phytoplankton
Grass

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

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

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

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

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Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

none of these
a protozoan
a fungus
an archaean

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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

phototrophs
chemotrophs
autotrophs
photo-organotrophs

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

chemotrophs
lithotrophs
organotrophs
phototrophs

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