Microbiology of Soils A heterocyst is the progenitor of cyanobacterial vegetative cells a type of spore a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen the progenitor of cyanobacterial vegetative cells a type of spore a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen oxidation (nitrification)refers to the changing of atmospheric nitrogen (N2) to nitrogen compounds conversion of ammonium ions into nitrates through the activities of certain bacteria. sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these changing of atmospheric nitrogen (N2) to nitrogen compounds conversion of ammonium ions into nitrates through the activities of certain bacteria. sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation fix the free nitrogen (N2) by which it should not be usable by plants changes the free nitrogen (N2) to a form usable by plants both (a) and (b) especially changes nitrogen compounds, mostly amines such as NH2 fix the free nitrogen (N2) by which it should not be usable by plants changes the free nitrogen (N2) to a form usable by plants both (a) and (b) especially changes nitrogen compounds, mostly amines such as NH2 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils An example of a symbiotic nitrogen fixer is Clostridium Beijerinckia Azotobacter Rhizobium Clostridium Beijerinckia Azotobacter Rhizobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are nonsymbiotic none of these symbiotic both (a) and (b) nonsymbiotic none of these symbiotic both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Degree of compost maturity can be assesed by germination test both (a) and (b) None of these infrared technique germination test both (a) and (b) None of these infrared technique ANSWER DOWNLOAD EXAMIANS APP
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