Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Rhodomicrobium Chlorobium Chromaticum Both (a) and (b) Rhodomicrobium Chlorobium Chromaticum Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is reduction of nitrate (NO3-) to nitrogen gas changing of atmospheric nitrogen (N2) to nitrogen compounds reduction of nitrate to organic nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas changing of atmospheric nitrogen (N2) to nitrogen compounds 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 none of these symbiotic both (a) and (b) nonsymbiotic none of these symbiotic both (a) and (b) nonsymbiotic 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 slow growth none of these fast growth medium growth slow growth none of these fast growth medium growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Non symbiotic and symbiotic microorganisms only Non symbiotic microorganisms only None of these Symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only Non symbiotic microorganisms only None of these Symbiotic microorganisms only ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Some microorganisms have the ability to increase the nitrogen content of soils, are called as all of these nitrogen fixation nitrification denitrification all of these nitrogen fixation nitrification denitrification ANSWER DOWNLOAD EXAMIANS APP
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