Exercise: Microbiology Of Soils

Questions for: Microbiology Of Soils

The conversion of molecular nitrogen into ammonia is known as
A:
nitrification
B:
denitrification
C:
nitrogen fixation
D:
ammonification
Answer: C
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Denitrification may be distinguished as
A:
dissimilative
B:
assimilative
C:
both (a) and (b)
D:
blue baby syndrome
Answer: C
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The crops which are involved in nitrogen fixation are
A:
alfalfa and clover
B:
soybean
C:
bean and lupine
D:
all of these
Answer: D
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The nitrogenase consists of
A:
dinitrogenase
B:
dinitrogenase reductase
C:
both (a) and (b)
D:
none of these
Answer: C
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The groups of bacteria which have the ability to fix nitrogen from air to soil are
A:
symbiotic
B:
nonsymbiotic
C:
both (a) and (b)
D:
none of these
Answer: C
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