Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of All of these measuring15N2 by mass spectrometer demonstrating growth in a nitrogen free medium cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen All of these measuring15N2 by mass spectrometer demonstrating growth in a nitrogen free medium cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen 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 Saccharomyces cerevisiae Candida torulopsis VA Mycorrhiza Aspergillus niger Saccharomyces cerevisiae Candida torulopsis VA Mycorrhiza ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? None of these Alcaligenes Achromobacter Agrobacterium None of these Alcaligenes Achromobacter Agrobacterium 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 denitrification ammonification nitrification nitrogen fixation denitrification ammonification nitrification nitrogen fixation ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for denitrification is nitrate oxidase nitrate reductase nitro oxidoreductase none of these nitrate oxidase nitrate reductase nitro oxidoreductase none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Degree of compost maturity can be assesed by infrared technique germination test None of these both (a) and (b) infrared technique germination test None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP