Microbiology of Soils The crops which are involved in nitrogen fixation are soybean alfalfa and clover bean and lupine all of these soybean alfalfa and clover bean and lupine all of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds both (a) and (b) changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are nonsymbiotic symbiotic both (a) and (b) none of these nonsymbiotic symbiotic both (a) and (b) none of these 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 medium growth fast growth slow growth none of these medium growth fast growth slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is a type of spore a terminally differentiated cell that fixes nitrogen the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis a type of spore a terminally differentiated cell that fixes nitrogen the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 30-40 60-80 20-30 10-20 30-40 60-80 20-30 10-20 ANSWER DOWNLOAD EXAMIANS APP
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