Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of 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 demonstrating growth in a nitrogen free medium All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The energy value of biogas is typically 1500 BTU/ft3 400-700 BTU/ft3 1,000 BTU/ft3 more than 5000 BTU/ft3 1500 BTU/ft3 400-700 BTU/ft3 1,000 BTU/ft3 more than 5000 BTU/ft3 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Non symbiotic and symbiotic microorganisms only Non symbiotic microorganisms only None of these Symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only Non symbiotic microorganisms only None of these Symbiotic microorganisms only ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 10-20 60-80 20-30 30-40 10-20 60-80 20-30 30-40 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The nonsymbiotic bacteria which fix nitrogen live in the soil independently are considerably less important in comparison to the symbiotic bacteria Azotobacter All of these Clostridium considerably less important in comparison to the symbiotic bacteria Azotobacter All of these Clostridium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out usually by facultative anaerobes predominantly by Pseudomonas spp All of these predominantly by Bacillus spp usually by facultative anaerobes predominantly by Pseudomonas spp All of these predominantly by Bacillus spp ANSWER DOWNLOAD EXAMIANS APP