Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Chromaticum Chlorobium Both (a) and (b) Rhodomicrobium Chromaticum Chlorobium Both (a) and (b) Rhodomicrobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The population of algae in soil is __________ that of either bacteria or fungi. generally smaller than equal to generally greater than none of these generally smaller than equal to generally greater than none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils An example of a symbiotic nitrogen fixer is Beijerinckia Clostridium Rhizobium Azotobacter Beijerinckia Clostridium Rhizobium Azotobacter 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 conversion of molecular nitrogen into ammonia is known as nitrogen fixation nitrification ammonification denitrification nitrogen fixation nitrification ammonification denitrification ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils __________ play a key role in the transformation of rock to soil. Nitrifying bacteria Pectin decomposing bacteria Cyanobacteia De-nitrifying bacteria Nitrifying bacteria Pectin decomposing bacteria Cyanobacteia De-nitrifying bacteria ANSWER DOWNLOAD EXAMIANS APP