Microbiology of Soils Which of the following statement is not true about composition of biogas? 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) It also contains with traces of O2 and Cl2 It also contains with traces of H2S, N2, H2and CO ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils __________ play a key role in the transformation of rock to soil. De-nitrifying bacteria Pectin decomposing bacteria Nitrifying bacteria Cyanobacteia De-nitrifying bacteria Pectin decomposing bacteria Nitrifying bacteria Cyanobacteia ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate reductase nitrogenase none of these nitrate oxidase nitrate reductase nitrogenase none of these nitrate oxidase ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out predominantly by Bacillus spp predominantly by Pseudomonas spp usually by facultative anaerobes All of these predominantly by Bacillus spp predominantly by Pseudomonas spp usually by facultative anaerobes All of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 60-80 30-40 10-20 20-30 60-80 30-40 10-20 20-30 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Rhodomicrobium Chlorobium Chromaticum Both (a) and (b) Rhodomicrobium Chlorobium Chromaticum Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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