Question

2. Name the four whorls of flower. Write the function of each whort.
3. What is fertilisation? How does fertilisation take place in flowers?​

Answer 1

Answer:

2) The morphology of most flowering plants is based on four types of whorls:

a) The calyx: zero or more whorls of sepals at the base

b)The corolla: zero or more whorls of petals above the calyx

c) The androecium: zero or more whorls of stamens, each comprising a filament and an anther

d) The gynoecium: zero or more whorls of carpels, each consisting of an ovary, a style, and a stigma

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3) Fertilization: The process of combining the male gamete, or sperm, with the female gamete, or ovum. The product of fertilization is a cell called a zygote.

When pollen grain lands on the stigma of the suitable flower, it makes a tiny tubule through style to the ovary. The pollen grain carries male gamete which meets the female gamete in the ovule and fertilization takes in flowers.

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