Which one of the following are analogous structures

Options

A. Thoms of Bougainvillea and tendrils of Cucurbita
B. Flipper of dolphin and legs of horse
C. Wings of bat and wings of pigeon
D. Gills of prawn and lungs of man

Answer

C, D

Explanation

Wings of bat are skin folds stretched mainly between elongated fingre but the wings of birds are a feather converging all along the arm. They look similar because they have a common use for flying, but their origin are not common. This makes them analogous characterstics rather than homologous organs.