Multiple Choice
Members of this (these) microbial group(s) are responsible for a major proportion of the nitrogen fixed globally in symbiosis with higher plants.
A) actinomycetes
B) bacteria
C) fungi
D) A and B
E) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q24: Actinomycetes tend to dominate soils that are
Q25: Which of the following groups is not
Q26: Most soil organisms are heterotrophs.
Q27: Soil microorganisms often compete with higher plants
Q28: Many members of which group of soil
Q30: In most soils the overall population (numbers)of
Q31: This (these)group(s)of microorganisms usually predominate(s)in sandy,acid soils.<br>A)actinomycetes<br>B)bacteria<br>C)fungi<br>D)both
Q32: In which situation are the actinomycetes likely
Q33: Organisms which use carbon dioxide or carbonates
Q34: In nature,beneficial mycorrhizae form with the roots