Microbiology of Soils A heterocyst is the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen a type of spore the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis a terminally differentiated cell that fixes nitrogen 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 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? Desulfotomaculum Rhodomicrobium Thiobacillus thiooxidans Rhodospirillum Desulfotomaculum Rhodomicrobium Thiobacillus thiooxidans Rhodospirillum ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The groups of symbiotic bacteria, which have the ability to fix nitrogen derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria All of these these bacteria are from the genus, Rhizobium derive their food and minerals from the legume, and in turn they supply the legume with some or all of its nitrogen grow together for a mutual benefit is called symbiosis and so these bacteria are called symbiotic nitrogen-fixing bacteria All of these these bacteria are from the genus, Rhizobium ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Degree of compost maturity can be assesed by germination test infrared technique both (a) and (b) None of these germination test infrared technique both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The nonsymbiotic bacteria which fix nitrogen live in the soil independently are Clostridium All of these Azotobacter considerably less important in comparison to the symbiotic bacteria Clostridium All of these Azotobacter considerably less important in comparison to the symbiotic bacteria ANSWER DOWNLOAD EXAMIANS APP
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