The common nitrogen fixer found in paddy fiel | vedclass

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Question

(D) Paddy fields (rice fields) provide an ideal environment for the growth of nitrogen-fixing cyanobacteria. $Anabaena$ and $Nostoc$ are the most comm

Vedclass · Accepted Answer

Oscillatoria

Vedclass · Answer

(D) Paddy fields (rice fields) provide an ideal environment for the growth of nitrogen-fixing cyanobacteria. $Anabaena$ and $Nostoc$ are the most common nitrogen fixers associated with the water fern $Azolla$ in paddy fields. Among the given options,$Oscillatoria$ is a cyanobacterium capable of nitrogen fixation,which is commonly found in such aquatic environments. $Rhizobium$ is typically associated with the root nodules of leguminous plants,while $Azospirillum$ is often associated with the roots of grasses. Therefore,$Oscillatoria$ is the most appropriate answer among the choices provided.

The common nitrogen fixer found in paddy fields is . . . . . . .

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