Microbiology of Soils Nitrogen fixation both (a) and (b) 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 especially changes nitrogen compounds, mostly amines such as NH2 both (a) and (b) 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 especially changes nitrogen compounds, mostly amines such as NH2 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Rhodomicrobium Chromaticum Chlorobium Both (a) and (b) Rhodomicrobium Chromaticum Chlorobium 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 none of these medium growth slow growth fast growth none of these medium growth slow growth fast growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? None of these Non symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only Symbiotic microorganisms only None of these Non symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only Symbiotic microorganisms only ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Bacteria, as a group, are responsible for all of these nitrogen fixation nitrogen oxidation sulfur oxidation all of these nitrogen fixation nitrogen oxidation sulfur oxidation ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? Achromobacter None of these Alcaligenes Agrobacterium Achromobacter None of these Alcaligenes Agrobacterium ANSWER DOWNLOAD EXAMIANS APP