Microbiology of Soils Nitrogen oxidation (nitrification)refers to the None of these conversion of ammonium ions into nitrates through the activities of certain bacteria. changing of atmospheric nitrogen (N2) to nitrogen compounds sulfur is oxidized to the sulfate form through Thiobacillus bacteria None of these conversion of ammonium ions into nitrates through the activities of certain bacteria. 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 The diagnostic enzyme for nitrogen-fixing organisms is none of these nitrate oxidase nitrogenase nitrate reductase none of these nitrate oxidase nitrogenase nitrate reductase 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 Saccharomyces cerevisiae VA Mycorrhiza Aspergillus niger Candida torulopsis Saccharomyces cerevisiae VA Mycorrhiza Aspergillus niger ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Degree of compost maturity can be assesed by germination test both (a) and (b) infrared technique None of these germination test both (a) and (b) infrared technique None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria? Transitional All of these methanogenic Hydrolytic Transitional All of these methanogenic Hydrolytic ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 60-80 20-30 30-40 10-20 60-80 20-30 30-40 10-20 ANSWER DOWNLOAD EXAMIANS APP
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