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.