Microbiology of Soils Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide? Rhodomicrobium Chlorobium Chromaticum Both (a) and (b) Rhodomicrobium Chlorobium Chromaticum Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils A heterocyst is a terminally differentiated cell that fixes nitrogen a type of spore a cell that carries out oxygenic photosynthesis the progenitor of cyanobacterial vegetative cells a terminally differentiated cell that fixes nitrogen a type of spore a cell that carries out oxygenic photosynthesis the progenitor of cyanobacterial vegetative cells ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of demonstrating growth in a nitrogen free medium measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen All of these demonstrating growth in a nitrogen free medium measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen All of these 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 medium growth none of these slow growth fast growth medium growth none of these slow growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The crops which are involved in nitrogen fixation are bean and lupine all of these soybean alfalfa and clover bean and lupine all of these soybean alfalfa and clover 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? VA Mycorrhiza Aspergillus niger Candida torulopsis Saccharomyces cerevisiae VA Mycorrhiza Aspergillus niger Candida torulopsis Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
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