Microbiology of Soils An example of a symbiotic nitrogen fixer is Beijerinckia Azotobacter Clostridium Rhizobium Beijerinckia Azotobacter Clostridium Rhizobium 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 medium growth none of these fast growth slow growth medium growth none of these fast growth slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Both (a) and (b) Rhodomicrobium Chromaticum Chlorobium Both (a) and (b) Rhodomicrobium Chromaticum Chlorobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Bacteria, as a group, are responsible for sulfur oxidation nitrogen fixation all of these nitrogen oxidation sulfur oxidation nitrogen fixation all of these nitrogen oxidation ANSWER DOWNLOAD EXAMIANS APP
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 nitrification nitrogen fixation denitrification ammonification nitrification nitrogen fixation denitrification ammonification ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation 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) especially changes nitrogen compounds, mostly amines such as NH2 ANSWER DOWNLOAD EXAMIANS APP
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