What is common in all these three: Bryophytes,Dryopteris,and Ginkgo?

Which of the following does not have any orders but only $8$ series and many families?

Which of the following represents a correct group of Embryophyta?

How many divisions were included in the sub-kingdom Thallophyta by Oswald Tippo?

In bryophytes and pteridophytes,transport of male gametes requires

Read the following statements $(A-E)$ and answer the question which follows them.
$(A)$ In liverworts,mosses and ferns,gametophytes are free-living.
$(B)$ Gymnosperms and some ferns are heterosporous.
$(C)$ Sexual reproduction in Fucus,Volvox and Albugo is oogamous.
$(D)$ The sporophyte in liverworts is more elaborate than that in mosses.
$(E)$ Both,Pinus and Marchantia are dioecious.
How many of the above statements are correct?