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

The number of male prothallial cells in $Selaginella$ is:

Which of the following is a heterosporous plant?

$A$ collection of sporangia attached to the placenta and covered by an indusium is known as:

Spores with chloroplasts are present in:

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