Microbiology of Soils
Syntrophism involves

exchange of nutrients between two species
no exchange of nutrients between two species
no exchange of nutrients among species
exchange of nutrients among species

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Denitrification is

reduction of nitrate (NO3-) to nitrogen gas
changing of atmospheric nitrogen (N2) to nitrogen compounds
both (a) and (b)
reduction of nitrate to organic nitrogen compounds

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Nitrogen fixation by the microorganisms can be detected by adopting the approach of

measuring15N2 by mass spectrometer
cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen
demonstrating growth in a nitrogen free medium
All of these

ANSWER DOWNLOAD EXAMIANS APP