Which one of the following is not a biofertilizer?
Rhizobium
Nostoc
Mycorrhiza
Agrobacterium
Green manure plants belong to
In paddy fields, _______ serves as an important biofertiliser
Which of the following is used as biofertiliser?
$I.$ Cyanobacteria
$II.$ Yeast
$III.$ Symbiotic bacteria
$IV.$ Free living bacteria
Choose the correct option
Leghaemoglobin occurs in