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प्रश्न
Explain following term:
Polyembryony
उत्तर
It is the development of more than one embryo inside the seed, which consequently results in the emergence of multiple seedlings. Polyembryony may be true or false depending upon whether many embryos arise in the same embryo sac in the same ovule.
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संबंधित प्रश्न
Explain any three advantages that seeds offer to angiosperms.
Why are some seeds referred to as apomictic seeds?
Define the Polyembryony.
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
How polyembryony can be commercially exploited?
Fill in the blank:
________takes place when one male gamete and the egg fuse together. The fertilized egg grows into a seed from which the new plants can grow.
Fill in the blank:
________is the transfer of pollen grains from the anther of the flower to the stigma of the same or a different flower
Give an account of polyembryony.
What is pollen grain?
The plant part which consists of two generations, one within the other-
- Pollen grains inside the anther.
- Germinated pollen grain with two male gametes.
- Seed inside the fruit.
- Embryo sac inside the ovule
Choose the correct option.