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Microbiology of Soils

Microbiology of Soils
Degree of compost maturity can be assesed by

both (a) and (b)
infrared technique
germination test
None of these

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Microbiology of Soils
Nitrogen fixation refers to the direct conversion of atmospheric nitrogen gas into

ATP
glucose
ammonia
nitrate

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Microbiology of Soils
The nitrogenase consists of

dinitrogenase reductase
none of these
dinitrogenase
both (a) and (b)

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Microbiology of Soils
The organisms responsible for the characteristic musty or earth odor of a freshly plowed field is/are

Nocardia
Micromonospora
all of these
Streptomyces

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Microbiology of Soils
Assimilative denitrification is done by

fungi
all of these
plants
prokaryotes

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Microbiology of Soils
The conversion of molecular nitrogen into ammonia is known as

nitrogen fixation
nitrification
denitrification
ammonification

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