What is the role of flower in a plant?
Reproduction
Fruit formation
Absorbing sunlight
Exchange of gases
Flower is the reproductive part of the plant as it contains stigma and anther. It becomes a fruit once the seeds are formed after fertilization.
(a) What is meant by 'unisexual flowers' and 'bisexual flowers' ? Give two examples of each. (b) What is pollination? How does pollination occur? (c) Describe the process of fertilisation in a flower with the help of labelled diagrams. (d) What changes take place in the flower after fertilisation which leads to the formation of seeds and fruit?