Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as nitrification denitrification ammonification nitrogen fixation nitrification denitrification ammonification nitrogen fixation 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 slow growth fast growth medium growth none of these slow growth fast growth medium growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Chlorobium Rhodomicrobium Chromaticum Both (a) and (b) Chlorobium Rhodomicrobium Chromaticum Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate oxidase nitrogenase none of these nitrate reductase nitrate oxidase nitrogenase none of these nitrate reductase ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is the progenitor of cyanobacterial vegetative cells a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis a type of spore the progenitor of cyanobacterial vegetative cells a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis a type of spore ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Most soil protozoa are flagellates or amoebas, having their dominant mode of nitrogen as ingestion of mold ingestion of bacteria all of these ingestion of fungi ingestion of mold ingestion of bacteria all of these ingestion of fungi ANSWER DOWNLOAD EXAMIANS APP
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