$Cycas$ $revoluta$ is commonly known as:

What are the characteristic differences found in the vascular tissue of gymnosperms and angiosperms?

In which plants is non-porous wood found?

Gymnosperms maintain their dominance over angiosperms in which of the following regions?

$A$: The scale leaves of $Araucaria$ are small and brown.
$R$: The gametophytic phase of $Araucaria$ is long-lived and subterranean.

In gymnosperms,the ovules are naked because: