Which among the following produce seeds?

Thallophyta,Bryophyta and Pteridophyta are classified as Cryptogamae,whereas Gymnosperms and Angiosperms are classified as Phanerogamae. Why?

Pteridophyta do not have

State whether the following statement is true or false:
Gymnosperms are usually perennial,evergreen,and woody.

State whether the following statements are True $(T)$ or False $(F)$:
$(a)$ Gymnosperms differ from Angiosperms in having covered seeds.
$(b)$ Non-flowering plants are called Cryptogamae.
$(c)$ Bryophytes have conducting tissue.
$(d)$ Funaria is a moss.
$(e)$ Compound leaves are found in many ferns.
$(f)$ Seeds contain an embryo.

Growth of Lichens on barren rocks is followed by the growth of: