I. Potato and sweet potato are analogous organs in plants.
II. Wings of insects and wings of birds are homologous organs in animals.
III. Wings of insects and wings of bats are analogous organs in animals
IV. Thorns of citrus and tendrils of cucurbita are analogous organs in plants
I and III
Analogous organs are those which do not share a common ancestry but perform common function.
Hence, wings of insects and wings of bats are analogous organs in animals.
Hence, potato and sweet potato are analogous organs in plants