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Microbiology - Microbiology of Soils

Exercise : Microbiology of Soils - Section 1
  • Microbiology of Soils - Section 1
31.
Nitrogen fixation
changes the free nitrogen (N2) to a form usable by plants
especially changes nitrogen compounds, mostly amines such as NH2
both (a) and (b)
fix the free nitrogen (N2) by which it should not be usable by plants
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
For rapid decomposition by microbes, the substrate should have a C/N ratio of
10-20
20-30
30-40
60-80
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Which are the main source of biofertilisers?
Cyanobacteria
Bacillus
Streptococcus
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The organisms responsible for the characteristic musty or earth odor of a freshly plowed field is/are
Nocardia
Streptomyces
Micromonospora
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Denitrification is
reduction of nitrate (NO3-) to nitrogen gas
reduction of nitrate to organic nitrogen compounds
both (a) and (b)
changing of atmospheric nitrogen (N2) to nitrogen compounds
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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