Which of the following venation is characteristic of ferns?

In $Selaginella$,reduction division occurs during the formation of

Select the incorrect statement regarding $Pteridophytes$.

Spindle-shaped male gametes are found in:

What is required for fertilization in the plant shown in the given figure?

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.