Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrogenase nitrate oxidase nitrate reductase none of these nitrogenase nitrate oxidase nitrate reductase none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Most soil protozoa are flagellates or amoebas, having their dominant mode of nitrogen as ingestion of bacteria ingestion of mold ingestion of fungi all of these ingestion of bacteria ingestion of mold ingestion of fungi all of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 30-40 20-30 60-80 10-20 30-40 20-30 60-80 10-20 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as denitrification nitrogen fixation ammonification nitrification denitrification nitrogen fixation ammonification nitrification ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification may be distinguished as both (a) and (b) blue baby syndrome dissimilative assimilative both (a) and (b) blue baby syndrome dissimilative assimilative ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The microbial ecosystem of soil includes biotic components of soil abiotic components of soil biotic and abiotic components of soil None of these biotic components of soil abiotic components of soil biotic and abiotic components of soil None of these ANSWER DOWNLOAD EXAMIANS APP