Question

Which of the following are not the examples of homologous organs?

• A. Wings of butterfly and bat
• B. Forelimbs of lizard and human
• C. Forelimbs of frog and lizard
• D. Forelimbs of human and lizard

Answer 1

The correct option is A

Wings of butterfly and bat

The correct option is A.

The explanation for the correct option:

Wings of butterfly and bat :

1. Homologous organs are those organs that have similar structures and have evolved from a common ancestor but differ in their function.
2. Wings of a butterfly and wings of a bat, though it serves the same function that is flying, don't have a common structure or origin and hence are called analogous organs

The explanation for the incorrect options:

Option B:

Forelimbs of lizard and human

1. Forelimbs structures of lizards and humans have a common structure and origin, even though they serve different purposes.
2. They come under homologous organs

Option C:

Forelimbs of frog and lizard:

1. Forelimbs of frog and lizard also have a common structure and origin but serve a different purpose.
2. They come under homologous organs

Option D:

Forelimbs of humans and lizards:

1. Forelimbs of humans and lizards have a common structure and origin, even though they serve different purposes.
2. They come under homologous organs

Hence, the wings of butterflies and bats are not the examples of homologous organs