Microbiology of Soils A heterocyst is a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis the progenitor of cyanobacterial vegetative cells a type of spore a terminally differentiated cell that fixes nitrogen a cell that carries out oxygenic photosynthesis the progenitor of cyanobacterial vegetative cells a type of spore 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 none of these slow growth fast growth medium growth none of these slow growth fast growth ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is not the biofertilisers producing bacteria? Both (a) and (b) Nostoc Clostridium Anabaena Both (a) and (b) Nostoc Clostridium Anabaena ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Nitrogen fixation by the microorganisms can be detected by adopting the approach of measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium All of these measuring15N2 by mass spectrometer cultivating the microorganisms in the presence of nitrogen labeled with isotropic nitrogen demonstrating growth in a nitrogen free medium All of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following is capable of oxidizing sulfur to sulfates? Rhodomicrobium Rhodospirillum Desulfotomaculum Thiobacillus thiooxidans Rhodomicrobium Rhodospirillum Desulfotomaculum Thiobacillus thiooxidans ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The crops which are involved in nitrogen fixation are alfalfa and clover soybean bean and lupine all of these alfalfa and clover soybean bean and lupine all of these ANSWER DOWNLOAD EXAMIANS APP