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 fast growth medium growth slow growth none of these fast growth medium growth slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as nitrification nitrogen fixation ammonification denitrification nitrification nitrogen fixation ammonification denitrification ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The phenomenon of commensalism refers to a relationship between organisms in which None of these both the species of a pair benefit one species of a pair benefits one species of a pair is more benefited None of these both the species of a pair benefit one species of a pair benefits one species of a pair is more benefited ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria? All of these methanogenic Hydrolytic Transitional All of these methanogenic Hydrolytic Transitional ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following fungi on infecting crop roots can improve their uptake of phosphorus and other nutrients? Aspergillus niger VA Mycorrhiza Candida torulopsis Saccharomyces cerevisiae Aspergillus niger VA Mycorrhiza Candida torulopsis Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation both (a) and (b) changes the free nitrogen (N2) to a form usable by plants fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 both (a) and (b) changes the free nitrogen (N2) to a form usable by plants fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 ANSWER DOWNLOAD EXAMIANS APP