Podcast
Questions and Answers
What is the primary reason for the evolution of adaptations in flowering plants?
What is the primary reason for the evolution of adaptations in flowering plants?
- To allow for the production of non-motile gametes
- To ensure fertilisation in absence of motile gametes (correct)
- To enhance the structure of the embryo sac
- To increase the chances of autogamy
What is the term for the transfer of pollen grains from the anther to the stigma of the same flower?
What is the term for the transfer of pollen grains from the anther to the stigma of the same flower?
- Allogamy
- Wind pollination
- Autogamy (correct)
- Cross-pollination
What is a characteristic of flowers that undergo autogamy?
What is a characteristic of flowers that undergo autogamy?
- They have synchrony in pollen release and stigma receptivity (correct)
- They have a long distance between anthers and stigma
- They have a large number of external agents
- They are always self-pollinated
What is the primary function of external agents in flowering plants?
What is the primary function of external agents in flowering plants?
What is the structure of a mature angiosperm embryo sac?
What is the structure of a mature angiosperm embryo sac?
What is the term for the transfer of pollen grains from the anther of one flower to the stigma of another flower?
What is the term for the transfer of pollen grains from the anther of one flower to the stigma of another flower?
What is the primary advantage of wind pollination?
What is the primary advantage of wind pollination?
What is the term for the movement of pollen grains from the anther to the stigma of a flower?
What is the term for the movement of pollen grains from the anther to the stigma of a flower?
What is the function of the anther in a flower?
What is the function of the anther in a flower?
What is the characteristic of pollen grains that makes them dependent on external agents?
What is the characteristic of pollen grains that makes them dependent on external agents?
