Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as denitrification nitrification ammonification nitrogen fixation denitrification nitrification ammonification nitrogen fixation ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The nonsymbiotic bacteria which fix nitrogen live in the soil independently are Azotobacter Clostridium All of these considerably less important in comparison to the symbiotic bacteria Azotobacter Clostridium All of these considerably less important in comparison to the symbiotic bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of 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 demonstrating growth in a nitrogen free medium All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are nonsymbiotic none of these both (a) and (b) symbiotic nonsymbiotic none of these both (a) and (b) symbiotic ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following statement is not true about composition of biogas? It also contains with traces of O2 and Cl2 It also contains with traces of H2S, N2, H2and CO Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of O2 and Cl2 It also contains with traces of H2S, N2, H2and CO Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is changing of atmospheric nitrogen (N2) to nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP