In $Cycas$,the endosperm is

In which of the following aspects do Gymnosperms differ from Angiosperms?

In which of the following plants is the sporophytic phase dominant and long-lived?

In which of the following is the gametophytic phase reduced,short-lived,and limited to the production of gametes?

Which is the tallest tree in the world?

Statement $S$: $Sequoia$ $sempervirens$ is an example of an angiosperm.
Statement $R$: $Eucalyptus$ is the tallest tree in the world.