Which of the following plants possesses vascular tissues?

In $Pteridophytes$,the gametophytic stage is represented by which of the following?

$Selaginella$ is heterosporous. It produces two types of spores. The microspore develops into microgametophyte and the megaspore develops into megagametophyte. With respect to gametophyte,which one statement is correct?

Which of the following terms describes a plant that produces only one type of spore?

Which of the following plant groups is considered the first terrestrial plants to possess vascular tissues,$xylem$ and $phloem$?

Which of the following venation is characteristic of ferns?