To which division does $Zamia pygmaea$ belong?

In gymnosperms,the leaves are well-adapted to withstand extremes of temperature,humidity,and wind. What are the xeric characters in conifers?

Coralloid roots of $Cycas$ possess a symbiotic alga:

The $Cycas$ plant is similar in appearance to which of the following?

The resin duct of gymnosperms is an example of .........

Select the correct option based on the stem characteristics:
Branched stem $\quad\quad\quad$ Unbranched stem