Question

Which of the following is/are correct about Cycas?

• A. Cycas has characteristic branched stems and pinnate leaves.
• B. It is a dioecious plant, where male cones and megasporophylls bear on different trees.
• C. Mycorrhizal associations are commonly found in the roots of Cycas.
• D. Both (b) and (c)

Answer 1

Answer: (B)

Cycas, a small-sized tropical gymnosperm is a dioecious plant. In this microsporophyll are organized to form male cones are present on one plant and megasporophylls are organized on a different plant. Thus, male and female plants are different in Cycas. Roots in Cycas have small specialised roots called coralloid roots are associated with N₂ - fixing cyanobacteria. The stems are unbranched. Pinnate leaves persist for a few years.