Microbiology of Soils Nitrogen oxidation (nitrification)refers to the None of these conversion of ammonium ions into nitrates through the activities of certain bacteria. changing of atmospheric nitrogen (N2) to nitrogen compounds sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these conversion of ammonium ions into nitrates through the activities of certain bacteria. changing of atmospheric nitrogen (N2) to nitrogen compounds sulfur is oxidized to the sulfate form through Thiobacillus bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out usually by facultative anaerobes predominantly by Bacillus spp predominantly by Pseudomonas spp All of these usually by facultative anaerobes predominantly by Bacillus spp predominantly by Pseudomonas spp All of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis a type of spore the progenitor of cyanobacterial vegetative cells a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis a type of spore the progenitor of cyanobacterial vegetative cells ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria? methanogenic Hydrolytic All of these Transitional methanogenic Hydrolytic All of these Transitional 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
Microbiology of Soils Which of the following is capable of oxidizing sulfur to sulfates? Rhodospirillum Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum Rhodospirillum Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum ANSWER DOWNLOAD EXAMIANS APP
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