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Microbiology - Microbiology of Soils

Exercise : Microbiology of Soils - Section 1
  • Microbiology of Soils - Section 1
21.
The physical structure of soil is improved by the accumulation of
mold mycelium
minerals
water
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
__________ play a key role in the transformation of rock to soil.
Cyanobacteia
Pectin decomposing bacteria
Nitrifying bacteria
De-nitrifying bacteria
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The groups of bacteria which have the ability to fix nitrogen from air to soil are
symbiotic
nonsymbiotic
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The nitrogenase consists of
dinitrogenase
dinitrogenase reductase
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The crops which are involved in nitrogen fixation are
alfalfa and clover
soybean
bean and lupine
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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