Question

List four classes of plants belonging to fern group.

CLASS - XI BIOLOGY (Plant Kingdom)

Answer 1

fern belongs to pteridophytes and the four classes of pteridophytes are psilopsida , lycopsida, sphenopsida, and pteropsida

Answer 2

Four Classes Of Ferns Are As Follows:

1)Equisetopsida 
2)Psilotopsida
3)Marattiopsida
4)Polypodiopsida