Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate reductase none of these nitrogenase nitrate oxidase nitrate reductase none of these nitrogenase nitrate oxidase ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation especially changes nitrogen compounds, mostly amines such as NH2 fix the free nitrogen (N2) by which it should not be usable by plants changes the free nitrogen (N2) to a form usable by plants both (a) and (b) especially changes nitrogen compounds, mostly amines such as NH2 fix the free nitrogen (N2) by which it should not be usable by plants changes the free nitrogen (N2) to a form usable by plants both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Symbiotic microorganisms only Non symbiotic microorganisms only None of these Non symbiotic and symbiotic microorganisms only Symbiotic microorganisms only Non symbiotic microorganisms only None of these Non symbiotic and symbiotic microorganisms only ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are nonsymbiotic symbiotic none of these both (a) and (b) nonsymbiotic symbiotic none of these both (a) and (b) 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 fast growth none of these slow growth medium growth fast growth none of these slow growth medium growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as nitrification denitrification nitrogen fixation ammonification nitrification denitrification nitrogen fixation ammonification ANSWER DOWNLOAD EXAMIANS APP
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