Read the following statements 1-5 and answer the question which follows them: How many of the above statements are correct?
1. In liverworts, mosses and ferns gametophytes are free living.
2. Gymnosperms and some ferns are heterosporous.
3. Sexual reproduction in Fucus, Volvox, and Albugo is oogamous.
4. The sporophyte in liverworts is more elaborate than that in mosses.
5. Both, Pinus and Marchantia are dioecious.