Sometimes the prothallus of a fern gives rise to a fern plant. This is an example of:

$A$ - Selaginella and Salvinia produce heterospores.
$R$ - Cones (strobili) are developed in Selaginella and Equisetum.

Pteridophytes are called vascular cryptogams because they are non-seeded plants containing:

The stele found in ferns is known as:

Select the correct option for the following statements:
$(i)$ In $Dryopteris$ (fern), the prothallus is $haploid/diploid$.
$(ii)$ In $Pteridophytes$, there are $rhizoids/roots$.

The antherozoids of Dryopteris are .......