Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Chromaticum Rhodomicrobium Chlorobium Both (a) and (b) Chromaticum Rhodomicrobium Chlorobium Both (a) and (b) 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
Microbiology of Soils Nitrogen oxidation (nitrification)refers to the changing of atmospheric nitrogen (N2) to nitrogen compounds conversion of ammonium ions into nitrates through the activities of certain bacteria. sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these changing of atmospheric nitrogen (N2) to nitrogen compounds conversion of ammonium ions into nitrates through the activities of certain bacteria. sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate oxidase nitrogenase nitrate reductase none of these nitrate oxidase nitrogenase nitrate reductase none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 changes the free nitrogen (N2) to a form usable by plants both (a) and (b) fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 changes the free nitrogen (N2) to a form usable by plants both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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