In pteridophytes,reduction division occurs in .........?

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

Xylem vessels and phloem companion cells are generally absent in

What is the nature of the gametophytic stage in Pteridophytes?

In pteridophytes,the megaspore germinates to form

Statement $S$: In Pteridophytes,spores are produced in sporangia. Statement $R$: In Pteridophytes,sporangia are produced on sporophylls.