Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate oxidase nitrogenase none of these nitrate reductase nitrate oxidase nitrogenase none of these nitrate reductase 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 The nonsymbiotic bacteria which fix nitrogen live in the soil independently are considerably less important in comparison to the symbiotic bacteria All of these Clostridium Azotobacter considerably less important in comparison to the symbiotic bacteria All of these Clostridium Azotobacter ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is a type of spore the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen a type of spore the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Thiobacillus thiooxidans Rhodospirillum Rhodomicrobium Desulfotomaculum Thiobacillus thiooxidans Rhodospirillum Rhodomicrobium Desulfotomaculum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Bacteria, as a group, are responsible for all of these nitrogen fixation sulfur oxidation nitrogen oxidation all of these nitrogen fixation sulfur oxidation nitrogen oxidation ANSWER DOWNLOAD EXAMIANS APP