The seed habit was first established in .........

The plant body is differentiated into true roots, stems, and leaves in:

Heterosporous condition and ligulate leaves are found in

The name "Walking Fern" is given because of:

Which one controls the dehiscence of the sporangium in $Dryopteris$?

Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence.
$A.$ Prothallus stage
$B.$ Meiosis in spore mother cells
$C.$ Fertilisation
$D.$ Formation of archegonia and antheridia in gametophyte.
$E.$ Transfer of antherozoids to the archegonia in presence of water.
Choose the correct answer from the options given below.