Question
Biology Question on Microbes in human welfare
Azolla is used as a biofertilizer because it
A
multiplies very fast to produce massive biomass
B
has association of nitrogen - fixing Rhizobium
C
has association of nitrogen - fixing cyanobacteria
D
has association of mycorrhiza
Answer
has association of nitrogen - fixing cyanobacteria
Explanation
Solution
Azolla is a pteridophyte and used as a biofertilizer because it has association with nitrogenfixing cyanobacteria Anabaena azollae.