Which one is a nonsymbiotic nitrogen fixer
Rhizobium
Oscillatoria
Nostoc
Lactobacillus
The biofertilizer present in the roots of legumes is
Nitrogen fixation is
Organic forming does not include
Which of the following is free living aerobic and nonphotosynthetic nitrogen fixing bacterium
Assertion : Nitrogen-fixing enzyme in legume root nodules function at low oxygen concentration.
Reason : Low oxygen concentration is provided by leghaemoglobin.