Microbiology of Soils __________ play a key role in the transformation of rock to soil. Nitrifying bacteria De-nitrifying bacteria Pectin decomposing bacteria Cyanobacteia Nitrifying bacteria De-nitrifying bacteria Pectin decomposing bacteria Cyanobacteia ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as ammonification nitrification nitrogen fixation denitrification ammonification nitrification nitrogen fixation denitrification 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 none of these fast growth slow growth medium growth none of these fast growth slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are both (a) and (b) symbiotic none of these nonsymbiotic both (a) and (b) symbiotic none of these nonsymbiotic ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds both (a) and (b) reduction of nitrate (NO3-) to nitrogen gas reduction of nitrate to organic nitrogen compounds changing of atmospheric nitrogen (N2) to nitrogen compounds ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The organisms responsible for the characteristic musty or earth odor of a freshly plowed field is/are all of these Micromonospora Streptomyces Nocardia all of these Micromonospora Streptomyces Nocardia ANSWER DOWNLOAD EXAMIANS APP