Morphology of Flowering Plants Question 43
43. Which of the following is a flowering plant with nodules containing filamentous nitrogenfixing micro-organism
[2007]
(a) Crotalaria juncea
(b) Cycas revoluta
(c) Cicer arietinum
(d) Casuarina equisetifolia
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Answer : d
Hints & Solutions
(d) It is also know as Australian pine, which is a deciduous tree with a soft, wispy, pine-like appearance that can grow to 100 feet or more in height. Also known as ironwood, or beefwood. It bears a superficial resemblance to the conifer genus Pinus because of its small, round, cone-like fruits and its branchlets of scale-like leaves that look like pine needles.