Microbiology of Soils Which of the following is capable of oxidizing sulfur to sulfates? Rhodomicrobium Thiobacillus thiooxidans Rhodospirillum Desulfotomaculum Rhodomicrobium Thiobacillus thiooxidans Rhodospirillum Desulfotomaculum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? Achromobacter Alcaligenes Agrobacterium None of these Achromobacter Alcaligenes Agrobacterium None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils An example of a symbiotic nitrogen fixer is Clostridium Rhizobium Azotobacter Beijerinckia Clostridium Rhizobium Azotobacter Beijerinckia ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Degree of compost maturity can be assesed by infrared technique both (a) and (b) None of these germination test infrared technique both (a) and (b) None of these germination test ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen oxidation (nitrification)refers to the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium All of these measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium All of these measuring15N2 by mass spectrometer ANSWER DOWNLOAD EXAMIANS APP
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