Microbiology of Soils Nitrogen fixation changes the free nitrogen (N2) to a form usable by plants fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 both (a) and (b) changes the free nitrogen (N2) to a form usable by plants fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Both (a) and (b) Rhodomicrobium Chlorobium Chromaticum Both (a) and (b) Rhodomicrobium Chlorobium Chromaticum 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 The energy value of biogas is typically more than 5000 BTU/ft3 1,000 BTU/ft3 1500 BTU/ft3 400-700 BTU/ft3 more than 5000 BTU/ft3 1,000 BTU/ft3 1500 BTU/ft3 400-700 BTU/ft3 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 10-20 30-40 60-80 20-30 10-20 30-40 60-80 20-30 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Rhodospirillum Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum Rhodospirillum Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum ANSWER DOWNLOAD EXAMIANS APP
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