Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as denitrification nitrification ammonification nitrogen fixation denitrification nitrification ammonification nitrogen fixation ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate reductase none of these nitrate oxidase nitrogenase nitrate reductase none of these nitrate oxidase nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is reduction of nitrate (NO3-) to nitrogen gas changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is the progenitor of cyanobacterial vegetative cells a terminally differentiated cell that fixes nitrogen a type of spore a cell that carries out oxygenic photosynthesis the progenitor of cyanobacterial vegetative cells a terminally differentiated cell that fixes nitrogen a type of spore a cell that carries out oxygenic photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are symbiotic both (a) and (b) none of these nonsymbiotic symbiotic both (a) and (b) none of these nonsymbiotic ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Most soil protozoa are flagellates or amoebas, having their dominant mode of nitrogen as all of these ingestion of mold ingestion of fungi ingestion of bacteria all of these ingestion of mold ingestion of fungi ingestion of bacteria ANSWER DOWNLOAD EXAMIANS APP