Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only Non symbiotic microorganisms only None of these Symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only Non symbiotic microorganisms only None of these 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 fast growth none of these medium growth slow growth fast growth none of these medium growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is both (a) and (b) changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds reduction of nitrate (NO3-) to nitrogen gas both (a) and (b) changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds reduction of nitrate (NO3-) to nitrogen gas ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Assimilative denitrification is done by prokaryotes plants fungi all of these prokaryotes plants fungi all of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of demonstrating growth in a nitrogen free medium All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen measuring15N2 by mass spectrometer demonstrating growth in a nitrogen free medium All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen measuring15N2 by mass spectrometer ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which are the main source of biofertilisers? Streptococcus Cyanobacteria Bacillus None of these Streptococcus Cyanobacteria Bacillus None of these ANSWER DOWNLOAD EXAMIANS APP
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