Which of the following plants is used as biofertiliser
Nostoc
Funaria
Volvox
Rhizopus
Biofertilisers
Most famous nitrogen fixing bacterium/biofertilizer is
The main sources of biofertilisers are
The main sources of biofertilisers are
$(a)$ Bacteria
$(b)$ Cyanobacteria
$(c)$ Fungi
$(d)$ Protists