Which one of the following are analogous structures

Options

A. Flippers of Dolphin and Legs of Horse
B. Wings of Bat and wings of Pigeon
C. Gills of Prawn and Lungs of Man
D. Thorns of Bougainvillea and Tendrils of Cucurbita

Answer

B, C

Explanation

Both (2) and (3) are correct.
Evolution by PK Gupta and Evolution by Ridley - Wings of insects, reptiles, birds and bats are believed to have developed independently and are analogous since they perform same function.
As for Gills of Prawn and Lungs of Man, they are structurally different and functionally serve the same function, thus are analogous.