Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate oxidase nitrogenase nitrate reductase none of these nitrate oxidase nitrogenase nitrate reductase none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is capable of oxidizing sulfur to sulfates? Rhodospirillum Desulfotomaculum Thiobacillus thiooxidans Rhodomicrobium Rhodospirillum Desulfotomaculum Thiobacillus thiooxidans Rhodomicrobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out predominantly by Pseudomonas spp usually by facultative anaerobes All of these predominantly by Bacillus spp predominantly by Pseudomonas spp usually by facultative anaerobes All of these predominantly by Bacillus spp ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The microbial ecosystem of soil includes biotic and abiotic components of soil biotic components of soil abiotic components of soil None of these biotic and abiotic components of soil biotic components of soil abiotic components of soil None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of symbiotic bacteria, which have the ability to fix nitrogen derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen All of these grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria these bacteria are from the genus, Rhizobium derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen All of these grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria these bacteria are from the genus, Rhizobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of measuring15N2 by mass spectrometer All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium measuring15N2 by mass spectrometer All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium ANSWER DOWNLOAD EXAMIANS APP
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