Which of the following plants possesses vascular tissues?

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

Disposal of spores in ferns takes place through

$Selaginella$ 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?

What type of spores are produced by the plant shown in the given figure?

How many structures listed below are diploid $(2n)$ for a typical fern member?
$a.$ Indusium cell
$b.$ Stomium cell
$c.$ $NCC$ (Neck Canal Cell)
$d.$ Rhizome cell
$e.$ Sporophyll cell
$f.$ Prothallus cell
$g.$ $SMC$ (Spore Mother Cell)
$h.$ Spore
$i.$ Antherozoid mother cell