Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate reductase nitrogenase nitrate oxidase none of these nitrate reductase nitrogenase nitrate oxidase none of these 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 ammonification denitrification nitrification nitrogen fixation ammonification denitrification nitrification nitrogen fixation ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrifying bacteria can not be isolated directly by the usual techniques employed to isolate hetrotrophic bacteria. The reasons may be due to medium growth fast growth none of these slow growth medium growth fast growth none of these slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out predominantly by Pseudomonas spp predominantly by Bacillus spp usually by facultative anaerobes All of these predominantly by Pseudomonas spp predominantly by Bacillus spp usually by facultative anaerobes All of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The physical structure of soil is improved by the accumulation of mold mycelium minerals water all of these mold mycelium minerals water all of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Bacteria, as a group, are responsible for sulfur oxidation all of these nitrogen fixation nitrogen oxidation sulfur oxidation all of these nitrogen fixation nitrogen oxidation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS