Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of 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 demonstrating growth in a nitrogen free medium All of these cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out predominantly by Bacillus spp usually by facultative anaerobes All of these predominantly by Pseudomonas spp predominantly by Bacillus spp usually by facultative anaerobes All of these predominantly by Pseudomonas spp ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The energy value of biogas is typically 1,000 BTU/ft3 400-700 BTU/ft3 more than 5000 BTU/ft3 1500 BTU/ft3 1,000 BTU/ft3 400-700 BTU/ft3 more than 5000 BTU/ft3 1500 BTU/ft3 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? Alcaligenes None of these Agrobacterium Achromobacter Alcaligenes None of these Agrobacterium Achromobacter 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 none of these medium growth fast growth slow growth none of these medium growth fast growth slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of symbiotic bacteria, which have the ability to fix nitrogen these bacteria are from the genus, Rhizobium All of these derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen 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 All of these derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria ANSWER DOWNLOAD EXAMIANS APP
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