Question

why is Rhizobium called symbiotic bacteria , and what is it's role and importance​

Answer 1

$\bold\red{\underline{\underline {Why\:is\:Rhizobium\:called\:symbiotic\:bacteria?}}}$

Legumes are able to form a symbiotic relationship with nitrogen-fixing soil bacteria called rhizobia. The result of this symbiosis is to form nodules on the plant root, within which the bacteria can convert atmospheric nitrogen into ammonia that can be used by the plant.

$\bold\red{\underline{\underline {What\:is\:it's\:role\:and\:importance?}}}$

Rhizobium–legume symbioses are of great ecological and agronomic importance, due to their ability to fix large amounts of atmospheric nitrogen. These symbioses result in the formation on legume roots of differentiated organs called nodules, in which the bacteria reduce nitrogen into ammonia used by the host plant.

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Answer 2

Answer:

Rhizobia are symbiotic diazotrophs (prokaryotic organisms that carry out dinitrogen fixation) that form a symbiotic association with legumes. This association is symbiotic in that both the plant and rhizobia benefit.

Explanation:

Rhizobium forms a symbiotic relationship with certain plants such as legumes, fixing nitrogen from the air into ammonia, which acts as a natural fertilizer for the plants. ... This research involves the genetic mapping of various rhizobial species with their respective symbiotic plant species, like alfalfa or soybean.