Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Chlorobium Rhodomicrobium Both (a) and (b) Chromaticum Chlorobium Rhodomicrobium Both (a) and (b) Chromaticum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils For rapid decomposition by microbes, the substrate should have a C/N ratio of 10-20 60-80 20-30 30-40 10-20 60-80 20-30 30-40 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen oxidation (nitrification)refers to the changing of atmospheric nitrogen (N2) to nitrogen compounds sulfur is oxidized to the sulfate form through Thiobacillus bacteria conversion of ammonium ions into nitrates through the activities of certain bacteria. None of these changing of atmospheric nitrogen (N2) to nitrogen compounds sulfur is oxidized to the sulfate form through Thiobacillus bacteria conversion of ammonium ions into nitrates through the activities of certain bacteria. None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Denitrification is carried out usually by facultative anaerobes predominantly by Bacillus spp predominantly by Pseudomonas spp All of these usually by facultative anaerobes predominantly by Bacillus spp predominantly by Pseudomonas spp All of these 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? Candida torulopsis Aspergillus niger Saccharomyces cerevisiae VA Mycorrhiza Candida torulopsis Aspergillus niger Saccharomyces cerevisiae VA Mycorrhiza ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is not the biofertilisers producing bacteria? Nostoc Anabaena Clostridium Both (a) and (b) Nostoc Anabaena Clostridium Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP