Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate reductase none of these nitrogenase nitrate oxidase nitrate reductase none of these nitrogenase nitrate oxidase 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 bacteria ingestion of fungi all of these ingestion of mold ingestion of bacteria ingestion of fungi all of these 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 slow growth fast growth none of these medium growth slow growth fast growth none of these 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
Microbiology of Soils Denitrification is reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate (NO3-) to nitrogen gas both (a) and (b) reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate (NO3-) to nitrogen gas both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Syntrophism involves no exchange of nutrients between two species no exchange of nutrients among species exchange of nutrients between two species exchange of nutrients among species no exchange of nutrients between two species no exchange of nutrients among species exchange of nutrients between two species exchange of nutrients among species ANSWER DOWNLOAD EXAMIANS APP
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