Microbiology of Soils The nitrogenase consists of dinitrogenase reductase dinitrogenase both (a) and (b) none of these dinitrogenase reductase dinitrogenase both (a) and (b) none of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen? None of these Agrobacterium Alcaligenes Achromobacter None of these Agrobacterium Alcaligenes Achromobacter ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is nitrogenase nitrate reductase none of these nitrate oxidase nitrogenase nitrate reductase none of these nitrate oxidase ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Which of the following statement is not true about composition of biogas? It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 Both (a) and (b) It is composed almost exclusively of methane and carbon dioxide It also contains with traces of H2S, N2, H2and CO It also contains with traces of O2 and Cl2 Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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 The nonsymbiotic bacteria which fix nitrogen live in the soil independently are Clostridium considerably less important in comparison to the symbiotic bacteria All of these Azotobacter Clostridium considerably less important in comparison to the symbiotic bacteria All of these Azotobacter ANSWER DOWNLOAD EXAMIANS APP
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