Microbiology of Soils A heterocyst is 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 the progenitor of cyanobacterial vegetative cells a cell that carries out oxygenic photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The diagnostic enzyme for nitrogen-fixing organisms is none of these nitrate oxidase nitrate reductase nitrogenase none of these nitrate oxidase nitrate reductase nitrogenase 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? Agrobacterium Alcaligenes Achromobacter None of these Agrobacterium Alcaligenes Achromobacter None of these ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The nonsymbiotic bacteria which fix nitrogen live in the soil independently are Azotobacter 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 ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils Syntrophism involves exchange of nutrients among species exchange of nutrients between two species no exchange of nutrients among species no exchange of nutrients between two species exchange of nutrients among species exchange of nutrients between two species no exchange of nutrients among species no exchange of nutrients between two species ANSWER DOWNLOAD EXAMIANS APP
Microbiology of Soils The conversion of molecular nitrogen into ammonia is known as nitrification nitrogen fixation ammonification denitrification nitrification nitrogen fixation ammonification denitrification ANSWER DOWNLOAD EXAMIANS APP