Microbiology of Soils Denitrification is reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria? Hydrolytic Transitional methanogenic All of these Hydrolytic Transitional methanogenic All of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Chromaticum Rhodomicrobium Both (a) and (b) Chlorobium Chromaticum Rhodomicrobium Both (a) and (b) Chlorobium 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 ammonification denitrification nitrogen fixation nitrification ammonification denitrification nitrogen fixation nitrification ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The physical structure of soil is improved by the accumulation of minerals water all of these mold mycelium minerals water all of these mold mycelium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrogenase nitrate reductase none of these nitrate oxidase nitrogenase nitrate reductase none of these nitrate oxidase ANSWER DOWNLOAD EXAMIANS APP
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