Microbiology of Soils An example of a symbiotic nitrogen fixer is Azotobacter Beijerinckia Clostridium Rhizobium Azotobacter Beijerinckia Clostridium Rhizobium 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
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 fast growth slow growth medium growth none of these fast growth slow growth medium growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following statement is not true about composition of biogas? It also contains with traces of O2 and Cl2 Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is not the biofertilisers producing bacteria? Nostoc Anabaena Both (a) and (b) Clostridium Nostoc Anabaena Both (a) and (b) Clostridium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 20-30 30-40 60-80 10-20 20-30 30-40 60-80 10-20 ANSWER DOWNLOAD EXAMIANS APP
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