Question

------ helps in fixation of nitrogen in rice field in association with root of Cycas plant.
a) rhizobium b)fungus c)cyano bacteria d)bacteria
(c)​

Answer 1

Answer:

rhizobium helps in fixation of nitrogen in rice field in association with root of Cycas plant.

please mark it brainliest

Answer 2

Answer:

this is your answer

rhizobium