Which of the following is a flowering plant with nodules containing filamentous nitrogen­ fixing micro­organism?

Correct answer: D. Casuarina equisetifolia

  • A. Crotalaria juncea
  • B. Cycas revoluta
  • C. Cicer arietinum
  • D. Casuarina equisetifolia

Explanation

Casuarina has actinorhizal nodules that contain Frankia, a filamentous nitrogen-fixing bacterium.

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