Potato and sweet potato: (a) have edible parts which are homologous organs. (b) have edible parts which are analogous organs. (c) Are two species of the same genus.
The answer is (b) that is potato and sweet potato has edible parts which are analogous organs. This is because the storage organ in potato is stem and in sweet potato is root. These organs are similar in function but have different structural details and are therefore analogous.