1) What are homologous organs?
- The organs having common origin but performing different functions.
2) What are analogous organs?
- The organs having different origin but performing same functions.
3) Why are stem & leaf tendrils considered as analogous organs?
- All tendrils are structurally and functionally similar irrespective of their orgin.
4) Give 2 examples for homologous organs in plants.
- Scale leaves of onion/ spines of opuntia
Tendrils of cardiospermum/ bulbil of agave
Tendrils of passion flower/ thorns of pomegranate
Tendrils of vitis/ thorns of Carissa
5) Give two examples of analogous organs in plants.
- Tendrils of pea & vitis
Thorns of pomegranate/ spines of opuntia
Rhizome of ginger/ root of carrot
Cladode/ phylloclade
6) Which type of evolution gives rise to homologous organs
- Divergent evolution
7) Which type of evolution gives rise to analogous organs
- Convergent evolution
8) Give 2 examples of homologous organs in animals.
