Into how many groups are seedless plants divided?

Common characteristic between bryophytes and pteridophytes is

Complex tissue does not occur among

Which of the following series is $NOT$ included in the sub-class $Thalamiflorae$?

Which group of algae shares similarities in their pigment composition?

Consider the following four statements. Which of them are wrong?
$(a)$ The sporophyte in liverworts is more elaborate than that in mosses.
$(b)$ $Salvinia$ is heterosporous.
$(c)$ The life cycle in all seed-bearing plants is diplontic.
$(d)$ In $Pinus$,male and female cones are borne on different trees.