Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrogenase none of these nitrate reductase nitrate oxidase nitrogenase none of these nitrate reductase nitrate oxidase ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The energy value of biogas is typically 400-700 BTU/ft3 1,000 BTU/ft3 more than 5000 BTU/ft3 1500 BTU/ft3 400-700 BTU/ft3 1,000 BTU/ft3 more than 5000 BTU/ft3 1500 BTU/ft3 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas 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 10-20 60-80 30-40 20-30 10-20 60-80 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 fast growth none of these slow growth medium growth fast growth none of these slow growth medium growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Rhodomicrobium Desulfotomaculum Thiobacillus thiooxidans Rhodospirillum Rhodomicrobium Desulfotomaculum Thiobacillus thiooxidans Rhodospirillum ANSWER DOWNLOAD EXAMIANS APP