Answer:
Gametophyte
Sporophyte
Explanation:
A Gametophyte is a multicellular haploid form and a sporophyte is a multicellular diploid form in a plant that undergoes an alternation of generations.
Plants have alternative lifecycles: Haploid and diploid and this type of alternative life cycle is known as known as haplodiplontic where as our life cycle is diplontic. Gametophyte is a multicellular haploid form and a sporophyte is a multicellular dipoid form.