Microbiology of Soils The nitrogenase consists of dinitrogenase reductase dinitrogenase both (a) and (b) none of these dinitrogenase reductase dinitrogenase both (a) and (b) none of these 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 slow growth medium growth fast growth none of these slow growth medium growth fast growth none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of symbiotic bacteria, which have the ability to fix nitrogen these bacteria are from the genus, Rhizobium grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen All of these these bacteria are from the genus, Rhizobium grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen All of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 20-30 10-20 30-40 60-80 20-30 10-20 30-40 60-80 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils An example of a symbiotic nitrogen fixer is Clostridium Beijerinckia Azotobacter Rhizobium Clostridium Beijerinckia Azotobacter Rhizobium 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) Chlorobium Chromaticum Rhodomicrobium Both (a) and (b) Chlorobium Chromaticum ANSWER DOWNLOAD EXAMIANS APP
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