Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of measuring15N2 by mass spectrometer All of these demonstrating growth in a nitrogen free medium cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen measuring15N2 by mass spectrometer All of these demonstrating growth in a nitrogen free medium cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Degree of compost maturity can be assesed by both (a) and (b) infrared technique None of these germination test both (a) and (b) infrared technique None of these germination test ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following statement is not true about composition of biogas? Both (a) and (b) It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 It is composed almost exclusively of methane and carbon dioxide Both (a) and (b) It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 It is composed almost exclusively of methane and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The physical structure of soil is improved by the accumulation of mold mycelium minerals water all of these mold mycelium minerals water all of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as nitrogen fixation nitrification ammonification denitrification nitrogen fixation nitrification ammonification denitrification ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas ANSWER DOWNLOAD EXAMIANS APP