Microbiology of Soils An example of a symbiotic nitrogen fixer is Azotobacter Rhizobium Clostridium Beijerinckia Azotobacter Rhizobium Clostridium Beijerinckia ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Thiobacillus thiooxidans Desulfotomaculum Rhodomicrobium Rhodospirillum Thiobacillus thiooxidans Desulfotomaculum Rhodomicrobium Rhodospirillum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrogenase nitrate reductase none of these nitrate oxidase nitrogenase nitrate reductase none of these nitrate oxidase 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 medium growth fast growth none of these slow growth medium growth fast growth none of these slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The population of algae in soil is __________ that of either bacteria or fungi. generally greater than equal to generally smaller than none of these generally greater than equal to generally smaller than none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of bacteria which have the ability to fix nitrogen from air to soil are nonsymbiotic none of these both (a) and (b) symbiotic nonsymbiotic none of these both (a) and (b) symbiotic ANSWER DOWNLOAD EXAMIANS APP
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