Question

An example of homologous organs is:

• A. our arm and a dog's foreleg
• B. our teeth and an elephant's tusks
• C. potato and runners of grass
• D. All of the above

Answer 1

The correct option is D

All of the above

The correct option is D.

The explanation for the correct option:

When the organs resemble each other by structure, but functions differ from each other, then the organs are referred to as Homologous organs.

Option A:

1. Our arms and dogs' foreleg are similar in structure.
2. Our arm functions for grabbing and working purposes.
3. But a dog's foreleg functions for walking.

Option B:

1. Our teeth and Elephant's tusk resemble structurally.
2. Our teeth function as chewing and biting.
3. But Elephant's tusk is used for digging and foraging purposes.

Option C:

1. Potato and runners of grass are structurally similar as they both are stem.
2. Potato is used for the storage of starch.
3. But runners of grass are used for vegetative propagation.

Final answer:

An example of homologous organs is our arm and a dog's foreleg, our teeth and an elephant's tusks, potato, and runners of grass.