Answer :
The haploid stage of a plant life cycle is known as the gametophyte.
The haploid gametophyte produces gametes during the life cycle of all plants which exhibit an alternation of generations. The haploid plant body makes gametes through the process of mitosis. After fertilization, the zygote divides mitotically to create a diploid sporophyte. Haploid spores are produced by the sporophyte through the process of meiosis.
Therefore, an alternation of generations can be observed between the gamete-producing gametophyte which is haploid as well as the spore-producing diploid sporophyte. Different plants as well as organisms may exhibit distinct patterns of life cycles-haplontic, diplontic or intermediate.
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