(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 lead to the formation of seeds and fruit?
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Explanation:
a) a flower is called bisexual if both the whorls i.e androecium and gynoecium are present in the flower. eg hibiscus
if only one out of two whorl is present than the flower is unisexual.e g papaya
b) Pollen grains from anther are transferred to the stigma . this is called pollination. pollination occur with the help of abiotic agents like wind, water and also biotic agents.
c)
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