Explain the process of seed formation of a flower.
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the pollen grains falls on the stigma which Is sticky
The pollen grains forms a pollen tube through the style till the ovary
The ovary contains eggs which are female germ cells of flower
The pollen grain reached to the eggs through pollen tube and fusion occurs
Fertilization happens and zygote Is formed
The other egg cells provide nutrition to zygote
Ferrilization only happens with one egg cell and one pollen tube
The zygote grows and ovary forms acts as a hardcovering to protect the seed
After fully grown the bud formed by sepals opens up and the seed is formed
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Answer:
- the the pollen grains of these nutrients and start growing
- I thin tube grows out of the pollen grain
- the pollen tube keeps growing till it reaches the oval inside the ovary and enter it.
- the the male gametes is carried inside the pollen tube. once the pollen tube reaches the over the male gamete fuses with the female gametes present there. the process of fusion of male and female gametes called fertilization
- zygote is formed after fertilization take places
- then the ovules become the seed
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