Multiple Choice
Which organism is a nitrogen-fixing symbiont of legumes?
A) Rhizobium
B) Nitrobacter
C) Pseudomonas
D) Nostoc
E) Azotobacter
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q23: Thiobacillus thiooxidans is found in an environmental
Q24: Potable water is<br>A)contaminated.<br>B)polluted.<br>C)safe to drink.<br>D)foul testing.
Q25: The oxidation of ammonia (NH<sub>4</sub><sup>+</sup>) to nitrate
Q26: In a large body of standing water,
Q27: Discuss and give several examples of the
Q29: The conversion of nitrate (NO<sub>3</sub> ) to
Q30: Consider a pond on your college campus.All
Q31: Differentiate between the following terms and provide
Q32: The energy of photons is converted into
Q33: The slowly decaying organic litter from plant