Which of the following is a nitrogen-fixing bacterium that forms associations with the roots of plants?
A) anaerobic Bacillus species
B) Clostridium species
C) Rhizobium species
D) Azotobacter species
E) cyanobacteria

Question

Quizplus · Accepted Answer

Rhizobium species are known to form associations with the roots of plants and fix nitrogen. The other options listed do not typically form associations with plant roots for nitrogen fixation.

Which of the Following Is a Nitrogen-Fixing Bacterium That Forms