Antherozoids of fern are

The kidney-shaped covering of $Dryopteris$ is known as:

What type of plants are Pteridophytes?

The prothallus stage is found in:

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

Amphicribal or hadrocentric vascular bundles are present in the stem of