Exercise: Microbiology Of Soils

Questions for: Microbiology Of Soils

Assimilative denitrification is done by
A:
plants
B:
fungi
C:
prokaryotes
D:
all of these
Answer: D
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Syntrophism involves
A:
exchange of nutrients between two species
B:
exchange of nutrients among species
C:
no exchange of nutrients between two species
D:
no exchange of nutrients among species
Answer: A
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Which of the following fungi on infecting crop roots can improve their uptake of phosphorus and other nutrients?
A:
Saccharomyces cerevisiae
B:
VA Mycorrhiza
C:
Candida torulopsis
D:
Aspergillus niger
Answer: B
No answer description is available. Let's discuss.
The diagnostic enzyme for nitrogen-fixing organisms is
A:
nitrogenase
B:
nitrate reductase
C:
nitrate oxidase
D:
none of these
Answer: A
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Which of the following soil microorganism is involved in the reduction of sulfates to H2S?
A:
Thiobacillus thiooxidans
B:
Desulfotomaculum
C:
Rhodospirillum
D:
Rhodomicrobium
Answer: B
No answer description is available. Let's discuss.
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