Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Both (a) and (b) Chromaticum Rhodomicrobium Chlorobium Both (a) and (b) Chromaticum Rhodomicrobium Chlorobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation 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 both (a) and (b) fix the free nitrogen (N2) by which it should not be usable by plants ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The physical structure of soil is improved by the accumulation of water minerals mold mycelium all of these water minerals mold mycelium all of these 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 Alcaligenes Agrobacterium None of these Achromobacter Alcaligenes Agrobacterium None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation refers to the direct conversion of atmospheric nitrogen gas into ATP glucose nitrate ammonia ATP glucose nitrate ammonia ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrogenase none of these nitrate oxidase nitrate reductase nitrogenase none of these nitrate oxidase nitrate reductase ANSWER DOWNLOAD EXAMIANS APP