Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as denitrification ammonification nitrification nitrogen fixation denitrification ammonification nitrification nitrogen fixation ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Thiobacillus thiooxidans Rhodospirillum Rhodomicrobium Desulfotomaculum Thiobacillus thiooxidans Rhodospirillum Rhodomicrobium Desulfotomaculum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrate oxidase none of these nitrate reductase nitrogenase nitrate oxidase none of these nitrate reductase nitrogenase 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 H2S, N2, H2and CO It also contains with traces of O2 and Cl2 It is composed almost exclusively of methane and carbon dioxide Both (a) and (b) It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 It is composed almost exclusively of methane and carbon dioxide 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 Candida torulopsis VA Mycorrhiza Saccharomyces cerevisiae Aspergillus niger Candida torulopsis VA Mycorrhiza ANSWER DOWNLOAD EXAMIANS APP
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 slow growth medium growth none of these fast growth slow growth medium growth none of these fast growth ANSWER DOWNLOAD EXAMIANS APP