Which phase is dominant in gymnosperms?

What is true about the foliage of $Cycas$?

The gametophytes of $Pinus$ are protected from desiccation by living in

The part of the ovule in $Pinus$ which contains megaspore mother cells that divide to form haploid megaspores is:

What is correct for conifers?
$I$ - Leaf is like a needle,$II$ - Thick cuticle,$III$ - Thin cuticle,$IV$ - Sunken stomata,$V$ - Stomata absent

Which of the following plants is monoecious?