In which group of the following would you place the plants having vascular tissue and lacking seeds?

The sperm of fern is

Sporangia are associated with sporophylls. In $P$ plants,sporophylls are distinct,while in $Q$ plants,sporophylls form compact structures called strobili or cones.
$P \quad Q$

What type of sporophylls are found in Pteridophytes?

Ramenta is the characteristic of

In which of the following plants is the gametophytic phase secondary?