Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Non symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only None of these Symbiotic microorganisms only Non symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only None of these Symbiotic microorganisms only 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? Alcaligenes None of these Agrobacterium Achromobacter Alcaligenes None of these Agrobacterium Achromobacter ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as nitrogen fixation denitrification nitrification ammonification nitrogen fixation denitrification nitrification ammonification 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? Saccharomyces cerevisiae Aspergillus niger VA Mycorrhiza Candida torulopsis Saccharomyces cerevisiae Aspergillus niger VA Mycorrhiza Candida torulopsis ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is capable of oxidizing sulfur to sulfates? Rhodomicrobium Desulfotomaculum Thiobacillus thiooxidans Rhodospirillum Rhodomicrobium Desulfotomaculum Thiobacillus thiooxidans Rhodospirillum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of All of these demonstrating growth in a nitrogen free medium measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen All of these demonstrating growth in a nitrogen free medium measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen ANSWER DOWNLOAD EXAMIANS APP