Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Rhodomicrobium Chlorobium Both (a) and (b) Chromaticum Rhodomicrobium Chlorobium Both (a) and (b) Chromaticum 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 VA Mycorrhiza Candida torulopsis Saccharomyces cerevisiae Aspergillus niger VA Mycorrhiza Candida torulopsis Saccharomyces cerevisiae 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 species of different genera of bacteria are not capable of transforming nitrate to nitrogen? Achromobacter Agrobacterium None of these Alcaligenes Achromobacter Agrobacterium None of these Alcaligenes ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The population of algae in soil is __________ that of either bacteria or fungi. equal to generally greater than generally smaller than none of these equal to generally greater than generally smaller than none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The phenomenon of commensalism refers to a relationship between organisms in which one species of a pair is more benefited None of these both the species of a pair benefit one species of a pair benefits one species of a pair is more benefited None of these both the species of a pair benefit one species of a pair benefits ANSWER DOWNLOAD EXAMIANS APP