NEET 2007 Biology question

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

(1)Cicer arietinum
(2)Casuarina equisetifoliaCorrect
(3)Crotalaria juncea
(4)Cycas revoluta

Answer: (2)

Solution

Casuarina equisetifolia (a non-leguminous angiosperm) forms root nodules with Frankia, a filamentous actinomycete that fixes atmospheric nitrogen (as do Alnus and Myrica). Cicer arietinum (gram) and Crotalaria juncea (sunn

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Question ID VK-089780