Female gametophyte in Gymnosperm is found in $:-$

Select one of the following pairs of important features distinguishing $Gnetum$ from $Cycas$ and $Pinus$ and showing affinities with angiosperms.

What type of fertilization occurs in gymnosperms?

The most advanced gymnosperms are included in the order ...... .

In which of the following groups would you place a plant that produces seeds but lacks flowers and fruits?

Male and female $Cycas$ plants show which type of growth?