Microbiology of Soils Nitrogen fixation fix the free nitrogen (N2) by which it should not be usable by plants both (a) and (b) especially changes nitrogen compounds, mostly amines such as NH2 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 both (a) and (b) especially changes nitrogen compounds, mostly amines such as NH2 changes the free nitrogen (N2) to a form usable by plants ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Most soil protozoa are flagellates or amoebas, having their dominant mode of nitrogen as ingestion of mold ingestion of fungi all of these ingestion of bacteria ingestion of mold ingestion of fungi all of these ingestion of bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils An example of a symbiotic nitrogen fixer is Azotobacter Rhizobium Beijerinckia Clostridium Azotobacter Rhizobium Beijerinckia Clostridium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Desulfotomaculum Rhodospirillum Thiobacillus thiooxidans Rhodomicrobium Desulfotomaculum Rhodospirillum Thiobacillus thiooxidans Rhodomicrobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate reductase nitrate oxidase nitrogenase none of these nitrate reductase nitrate oxidase nitrogenase none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? Alcaligenes None of these Achromobacter Agrobacterium Alcaligenes None of these Achromobacter Agrobacterium ANSWER DOWNLOAD EXAMIANS APP