Microbiology of Soils The nitrogenase consists of dinitrogenase reductase dinitrogenase both (a) and (b) none of these dinitrogenase reductase dinitrogenase both (a) and (b) none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? Achromobacter Agrobacterium Alcaligenes None of these Achromobacter Agrobacterium Alcaligenes None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out usually by facultative anaerobes All of these predominantly by Bacillus spp predominantly by Pseudomonas spp usually by facultative anaerobes All of these predominantly by Bacillus spp predominantly by Pseudomonas spp 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 medium growth fast growth slow growth none of these medium growth fast growth slow growth none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen oxidation (nitrification)refers to the sulfur is oxidized to the sulfate form through Thiobacillus bacteria conversion of ammonium ions into nitrates through the activities of certain bacteria. changing of atmospheric nitrogen (N2) to nitrogen compounds None of these sulfur is oxidized to the sulfate form through Thiobacillus bacteria conversion of ammonium ions into nitrates through the activities of certain bacteria. changing of atmospheric nitrogen (N2) to nitrogen compounds None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are none of these both (a) and (b) nonsymbiotic symbiotic none of these both (a) and (b) nonsymbiotic symbiotic ANSWER DOWNLOAD EXAMIANS APP
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