The reproductive parts of angiosperms are located in the flower .State the changes that take place in the flower after the germinated pollens reach the ovules.

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Solution

After that one pollen grain fuses with egg and one with polar nuclei forming primary Endosperm nucleus (double fertilization) with one egg and two nuclei (triple fusion) after they ovary forms fruit and ovule forms seed.PEN is triploid changed into secondary nucleus provides nourishment to seed.

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Similar questions

Q. The germination of pollen grain takes place on __________ of the flower.

In the figure of a flower below, label the parts whose functions are mentioned. Give their corresponding names.

(a)The part which contains pollen grains.
(b)The part where the female gamete is formed.
(c) The female reproductive part, where pollen grains germinate.
(d)The colourful part of flower which attacts insects.

Q. How many of the following statements are valid to angiosperms?
I. The ovules mature into seeds, whereas the ovaries develop into the fruits.
II. The primary endosperm nucleus, which is present in the embryonic sac, is diploid.
III. Stamen is the male reproductive part of a flower.

Q. Arrange the following sentence given below in correct sequence describing the process of sexual reproduction in a flowering plant.
P; Fertilisation takes place
Q: Pollen grains are released
R: A fruit with seeds develops
s: The stigma receives pollen grains
T: Pollen tubes grow towards the ovules

Which part of the female reproductive part of the flower receives pollen grains?

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