Microbiology of Soils Which of the following soil microorganism is involved in the reduction of sulfates to H2S? Thiobacillus thiooxidans Rhodomicrobium Desulfotomaculum Rhodospirillum Thiobacillus thiooxidans Rhodomicrobium Desulfotomaculum Rhodospirillum 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 slow growth fast growth none of these medium growth slow growth fast growth none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is not the biofertilisers producing bacteria? Nostoc Both (a) and (b) Anabaena Clostridium Nostoc Both (a) and (b) Anabaena Clostridium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which are the main source of biofertilisers? None of these Streptococcus Cyanobacteria Bacillus None of these Streptococcus Cyanobacteria Bacillus ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis a type of spore the progenitor of cyanobacterial vegetative cells a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis a type of spore the progenitor of cyanobacterial vegetative cells ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out predominantly by Pseudomonas spp usually by facultative anaerobes predominantly by Bacillus spp All of these predominantly by Pseudomonas spp usually by facultative anaerobes predominantly by Bacillus spp All of these ANSWER DOWNLOAD EXAMIANS APP