Microbiology of Soils Nitrogen oxidation (nitrification)refers to the conversion of ammonium ions into nitrates through the activities of certain bacteria. None of these changing of atmospheric nitrogen (N2) to nitrogen compounds sulfur is oxidized to the sulfate form through Thiobacillus bacteria conversion of ammonium ions into nitrates through the activities of certain bacteria. None of these changing of atmospheric nitrogen (N2) to nitrogen compounds sulfur is oxidized to the sulfate form through Thiobacillus bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following statement is not true about composition of biogas? Both (a) and (b) It also contains with traces of O2 and Cl2 It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO Both (a) and (b) It also contains with traces of O2 and Cl2 It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO 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? Candida torulopsis VA Mycorrhiza Aspergillus niger Saccharomyces cerevisiae Candida torulopsis VA Mycorrhiza Aspergillus niger Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 60-80 30-40 20-30 10-20 60-80 30-40 20-30 10-20 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which are the main source of biofertilisers? Streptococcus Bacillus None of these Cyanobacteria Streptococcus Bacillus None of these Cyanobacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 changes the free nitrogen (N2) to a form usable by plants both (a) and (b) fix the free nitrogen (N2) by which it should not be usable by plants especially changes nitrogen compounds, mostly amines such as NH2 changes the free nitrogen (N2) to a form usable by plants both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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