Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? Achromobacter Agrobacterium None of these Alcaligenes Achromobacter Agrobacterium None of these Alcaligenes ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out usually by facultative anaerobes predominantly by Bacillus spp predominantly by Pseudomonas spp All of these usually by facultative anaerobes predominantly by Bacillus spp predominantly by Pseudomonas spp All 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 All of these measuring15N2 by mass spectrometer demonstrating growth in a nitrogen free medium cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen All of these measuring15N2 by mass spectrometer demonstrating growth in a nitrogen free medium 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 It also contains with traces of H2S, N2, H2and CO It is composed almost exclusively of methane and carbon dioxide Both (a) and (b) It also contains with traces of O2 and Cl2 It also contains with traces of H2S, N2, H2and CO It is composed almost exclusively of methane and carbon dioxide Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Non symbiotic microorganisms only Symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only None of these Non symbiotic microorganisms only Symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only None of these 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 Azotobacter All of these Clostridium considerably less important in comparison to the symbiotic bacteria Azotobacter All of these ANSWER DOWNLOAD EXAMIANS APP
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