Which of the following is a flowering plant with nodules containing filamentous nitrogen fixing microorganism?
(a) Casuarina equisetifolia
(b) Crotalaria ncea
(c) Cycas revoluta
(d) Cicer aetinum
Correct option(a) Casuarina equisetifolia
Explanation :
The Casuarina tree has nitrogen fixing root nodules that harbor a filiamentous a tinomycete nitrogen fixing organism called Frankia.
