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प्रश्न
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
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उत्तर
It is due to polyembryony.
The occurrence of more than one embryos in a seed is called as POLYEMBRYONY.
In orange, the nucellar cells, synergid, or integument cells develop into a number of embryos of different sizes.
eg: Citrus.
- Sometimes the formation of more than one egg in an embryo sac can lead to polyembryony.
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संबंधित प्रश्न
State what is apomixis. Comment on its significance. How can it be commercially used?
Explain the different ways apomictic seeds can develop, Give an example of each.
The ______ collect the pollen grains.
Fill in the blanks:
The male whorl, called the ________ produces ________.
Fill in the blank:
The whorl ________is green that protects the flower until it opens.
Give an account of polyembryony.
Which of the following is TRUE with respect to cleavage 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.
Explain following term:
Polyembryony
