Microbiology of Soils Nitrogen fixation both (a) and (b) changes the free nitrogen (N2) to a form usable by plants fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 both (a) and (b) changes the free nitrogen (N2) to a form usable by plants fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrifying bacteria can not be isolated directly by the usual techniques employed to isolate hetrotrophic bacteria. The reasons may be due to slow growth medium growth none of these fast growth slow growth medium growth none of these fast growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Syntrophism involves no exchange of nutrients among species exchange of nutrients between two species exchange of nutrients among species no exchange of nutrients between two species no exchange of nutrients among species exchange of nutrients between two species exchange of nutrients among species no exchange of nutrients between two species ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which are the main source of biofertilisers? Cyanobacteria Bacillus None of these Streptococcus Cyanobacteria Bacillus None of these Streptococcus ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The physical structure of soil is improved by the accumulation of water minerals mold mycelium all of these water minerals mold mycelium all of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Some microorganisms have the ability to increase the nitrogen content of soils, are called as nitrification denitrification all of these nitrogen fixation nitrification denitrification all of these nitrogen fixation ANSWER DOWNLOAD EXAMIANS APP