Question
Biology Question on Microbes in human welfare
Which one of the following is a bacterial biofertilizer?
A
Anabaena
B
Nostoc
C
Rhizobium
D
Oscillatoria
Answer
Rhizobium
Explanation
Solution
Rhizobium is a genus of Gram-negative soil bacteria that fix nitrogen. Rhizobium forms an endosymbiotic nitrogen-fixing association with roots of legumes.