NTA Abhyas NEET2020BotanyPlant KingdomPractice
What of the following is/are correct about Cycas ?
Options
- ACycas has characteristic branched stems and pinnate leaves.
- BIt is a dioecious plant, where male cones and megasporophylls bear on different trees.
- CMycorrhizal associations are commonly found in the roots of Cycas .
- DBoth (B) and (C)
Correct answer
B. It is a dioecious plant, where male cones and megasporophylls bear on different trees.
Step-by-step solution
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 N 2 - fixing cyanobacteria. The stems are unbranched. Pinnate leaves persist for a few years.