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 denitrification ammonification nitrogen fixation nitrification denitrification ammonification ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is 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 changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria? Hydrolytic All of these Transitional methanogenic Hydrolytic All of these Transitional methanogenic ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The physical structure of soil is improved by the accumulation of water all of these minerals mold mycelium water all of these minerals mold mycelium 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 Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils An example of a symbiotic nitrogen fixer is Azotobacter Rhizobium Clostridium Beijerinckia Azotobacter Rhizobium Clostridium Beijerinckia ANSWER DOWNLOAD EXAMIANS APP
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