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
Microbiology of Soils Assimilative denitrification is done by plants prokaryotes fungi all of these plants prokaryotes fungi all of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Rhodomicrobium Both (a) and (b) Chromaticum Chlorobium Rhodomicrobium Both (a) and (b) Chromaticum Chlorobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria? All of these methanogenic Transitional Hydrolytic All of these methanogenic Transitional Hydrolytic ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils __________ play a key role in the transformation of rock to soil. De-nitrifying bacteria Nitrifying bacteria Pectin decomposing bacteria Cyanobacteia De-nitrifying bacteria Nitrifying bacteria Pectin decomposing bacteria Cyanobacteia ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of 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 measuring15N2 by mass spectrometer ANSWER DOWNLOAD EXAMIANS APP
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