Multiple choice Among the following sets mark the odd man out. Wings of grasshopper and wings of pigeon Wings of bat and wings of bird Flipper of whale and hand of man Testis of man and ovaries of female Reveal answer Fill a bubble to check yourself A Correct answer Explanation Wings of a grasshopper and wings of a pigeon are analogous structures (different origin, same function). The other options (bat/bird wings, whale flipper/human hand, human testis/ovaries) are homologous structures (same origin, different function).