Which of the following are diploid? Choose all appropriate solutions Antheridium Archegonium Egg cell Gametophyte Protonema Seta Spermatozoid Sporophyte Wall of spore capsule

The diploid choices are **Sporophyte** and **Wall of spore capsule**.<br /><br />The sporophyte generation in plants is the diploid, spore-producing phase. It develops from the zygote (formed by the fusion of haploid gametes) and possesses two sets of chromosomes. The wall of the spore capsule is part of the sporophyte and is therefore also diploid.<br />