Microbiology of Soils The microbial ecosystem of soil includes biotic and abiotic components of soil biotic components of soil None of these abiotic components of soil biotic and abiotic components of soil biotic components of soil None of these abiotic components of soil ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of symbiotic bacteria, which have the ability to fix nitrogen All of these grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen these bacteria are from the genus, Rhizobium All of these grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen these bacteria are from the genus, Rhizobium 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 Transitional All of these Hydrolytic methanogenic Transitional All of these Hydrolytic ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as nitrogen fixation nitrification ammonification denitrification nitrogen fixation nitrification ammonification denitrification 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? Agrobacterium Achromobacter None of these Alcaligenes Agrobacterium Achromobacter None of these Alcaligenes 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
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