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 medium growth slow growth none of these fast growth medium growth slow growth none of these fast growth 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? Achromobacter Agrobacterium Alcaligenes None of these Achromobacter Agrobacterium Alcaligenes None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of symbiotic bacteria, which have the ability to fix nitrogen these bacteria are from the genus, Rhizobium All of these derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria these bacteria are from the genus, Rhizobium All of these derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is capable of oxidizing sulfur to sulfates? Thiobacillus thiooxidans Rhodomicrobium Rhodospirillum Desulfotomaculum Thiobacillus thiooxidans Rhodomicrobium Rhodospirillum Desulfotomaculum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out predominantly by Bacillus spp All of these usually by facultative anaerobes predominantly by Pseudomonas spp predominantly by Bacillus spp All of these usually by facultative anaerobes predominantly by Pseudomonas spp ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following statement is not true about composition of biogas? It is composed almost exclusively of methane and carbon dioxide It also contains with traces of O2 and Cl2 Both (a) and (b) It also contains with traces of H2S, N2, H2and CO It is composed almost exclusively of methane and carbon dioxide It also contains with traces of O2 and Cl2 Both (a) and (b) It also contains with traces of H2S, N2, H2and CO ANSWER DOWNLOAD EXAMIANS APP
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