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Growth and Nutrition of Bacteria

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

succinate
H2S
ammonia
light

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Growth and Nutrition of Bacteria
Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as

chemotrophs
fastidious hetrotrophs
chemo-lithotrophs
photo-organotrophs

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

a protozoan
an archaean
a fungus
none of these

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

doesn't use oxygen but can grow in the presence of oxygen
requires less oxygen than is present in air
is killed by oxygen
prefers to grow without oxygen

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 hours
200 hours
20 minutes
20 days

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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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