Microbiology of Soils The nitrogenase consists of dinitrogenase reductase both (a) and (b) dinitrogenase none of these dinitrogenase reductase both (a) and (b) dinitrogenase none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium All of these measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium All of these measuring15N2 by mass spectrometer ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils __________ play a key role in the transformation of rock to soil. Cyanobacteia Nitrifying bacteria De-nitrifying bacteria Pectin decomposing bacteria Cyanobacteia Nitrifying bacteria De-nitrifying bacteria Pectin decomposing bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 20-30 60-80 10-20 30-40 20-30 60-80 10-20 30-40 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The nonsymbiotic bacteria which fix nitrogen live in the soil independently are Clostridium considerably less important in comparison to the symbiotic bacteria All of these Azotobacter Clostridium considerably less important in comparison to the symbiotic bacteria All of these Azotobacter ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Chlorobium Chromaticum Rhodomicrobium Both (a) and (b) Chlorobium Chromaticum Rhodomicrobium Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP