An example of homologous organs is
(a) our arm and a dog’s fore-leg.
(b) our teeth and an elephant’s tusks.
(c) potato and runners of grass.
(d) all of the above.
Answer:
Homologous organs are the organs that have the same structural plan and origin but have different functions.
Checking the options
- (a) our arm and a dog’s fore-leg - They are homologous organs.
- (b) our teeth and an elephant’s tusks - They are homologous organs.
- (c) potato and runners of grass - They are homologous organs.
- (d) all of the above.
So, the correct answer is (d).