Microbiology of Soils The phenomenon of commensalism refers to a relationship between organisms in which 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 one species of a pair is more benefited ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is a cell that carries out oxygenic photosynthesis a type of spore a terminally differentiated cell that fixes nitrogen the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis a type of spore a terminally differentiated cell that fixes nitrogen the progenitor of cyanobacterial vegetative cells 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 fast growth slow growth medium growth none of these fast growth slow growth medium growth none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum Rhodospirillum Rhodomicrobium Thiobacillus thiooxidans Desulfotomaculum Rhodospirillum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Rhodomicrobium Chromaticum Both (a) and (b) Chlorobium Rhodomicrobium Chromaticum Both (a) and (b) Chlorobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils In the process of nitrogen fixation, which of the following microorganism is involved? Non symbiotic and symbiotic microorganisms only None of these Non symbiotic microorganisms only Symbiotic microorganisms only Non symbiotic and symbiotic microorganisms only None of these Non symbiotic microorganisms only Symbiotic microorganisms only ANSWER DOWNLOAD EXAMIANS APP
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