Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of demonstrating growth in a nitrogen free medium cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen measuring15N2 by mass spectrometer All of these demonstrating growth in a nitrogen free medium cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen measuring15N2 by mass spectrometer 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 30-40 60-80 10-20 20-30 30-40 60-80 10-20 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out 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 usually by facultative anaerobes ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is none of these nitrate reductase nitrate oxidase nitrogenase none of these nitrate reductase nitrate oxidase nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is capable of oxidizing sulfur to sulfates? Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum Rhodospirillum Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum Rhodospirillum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Bacteria, as a group, are responsible for nitrogen fixation all of these sulfur oxidation nitrogen oxidation nitrogen fixation all of these sulfur oxidation nitrogen oxidation ANSWER DOWNLOAD EXAMIANS APP
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