Spores of $Dryopteris$ are

In $Dryopteris$ (fern),the permanent roots are .........

Selaginella possesses an outgrowth proximally on the adaxial surface of its leaves. What is this structure called?

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 name "Walking Fern" is given because of:

The botanical name of Sanjeevani is: