The rhizophore of $Selaginella$ has:

In the plant shown in the given figure,which is the haploid,short-lived stage as a gametophyte?

Protosteles are found in

The sporophyte of $Pteris$ is:

Find the correct statement for the prothallus of a fern.

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.