Question

Four students A,B,C and D Reported the following set of organs to be homologous .Who is correct ?

A) Wings of a bat and a butterfly
B) Wings of a pigeon and a bat
C)Wings of a pigeon and a butterfly
D) Forelimbs of cows,a duck and lizard​

Answer 1

B is the answer

As far as I concerned

Answer 2

D is the answer.

This is because all three organisms are vertebrates and thus related. So it is likely that the origin of their organs will be similar. Also, functions of these organs are different.