Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate oxidase nitrate reductase nitrogenase none of these nitrate oxidase nitrate reductase nitrogenase none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The organisms responsible for the characteristic musty or earth odor of a freshly plowed field is/are Micromonospora Streptomyces all of these Nocardia Micromonospora Streptomyces all of these Nocardia ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation refers to the direct conversion of atmospheric nitrogen gas into glucose nitrate ammonia ATP glucose nitrate ammonia ATP ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils __________ play a key role in the transformation of rock to soil. Cyanobacteia De-nitrifying bacteria Nitrifying bacteria Pectin decomposing bacteria Cyanobacteia De-nitrifying bacteria Nitrifying bacteria Pectin decomposing bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen oxidation (nitrification)refers to the conversion of ammonium ions into nitrates through the activities of certain bacteria. sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these changing of atmospheric nitrogen (N2) to nitrogen compounds conversion of ammonium ions into nitrates through the activities of certain bacteria. sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these changing of atmospheric nitrogen (N2) to nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of demonstrating growth in a nitrogen free medium All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen measuring15N2 by mass spectrometer demonstrating growth in a nitrogen free medium All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen measuring15N2 by mass spectrometer ANSWER DOWNLOAD EXAMIANS APP