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Microbiology - Microbiology of Soils

Exercise : Microbiology of Soils - Section 1
  • Microbiology of Soils - Section 1
6.
Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide?
Chromaticum
Chlorobium
Both (a) and (b)
Rhodomicrobium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Nitrifying bacteria can not be isolated directly by the usual techniques employed to isolate hetrotrophic bacteria. The reasons may be due to
slow growth
medium growth
fast growth
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Bacteria, as a group, are responsible for
nitrogen oxidation
sulfur oxidation
nitrogen fixation
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The phenomenon of commensalism refers to a relationship between organisms in which
one species of a pair benefits
both the species of a pair benefit
one species of a pair is more benefited
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The population of algae in soil is __________ that of either bacteria or fungi.
generally smaller than
generally greater than
equal to
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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