Study the following life cycle of Pteridophytes:-

How many structure represent gametophytic & sporophytic generations, respectively?

Answer

Gametophytic structures=six [Spore, gametophyte, antheridia, archegonia, male gamete and female gamete]
Sporophytic structure=Six [Zygote, embryo, sporophyte, sporophylls, sporangia and spore mother cells]