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 fast growth medium growth slow growth none of these fast growth medium growth slow growth none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out All of these predominantly by Bacillus spp usually by facultative anaerobes predominantly by Pseudomonas spp All of these predominantly by Bacillus spp usually by facultative anaerobes predominantly by Pseudomonas spp ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of 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 demonstrating growth in a nitrogen free medium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 30-40 10-20 20-30 60-80 30-40 10-20 20-30 60-80 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Non symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only None of these Symbiotic microorganisms only Non symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only None of these Symbiotic microorganisms only ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as denitrification nitrogen fixation ammonification nitrification denitrification nitrogen fixation ammonification nitrification ANSWER DOWNLOAD EXAMIANS APP