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प्रश्न
What is adventive polyembryony?
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उत्तर
In adventive polyembryony, embryos may develop from somatic nucellus or integuments along with normal zygotic embryo.
संबंधित प्रश्न
Explain any three advantages that seeds offer to angiosperms.
Mention one advantage of apomictic seeds to farmers.
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
Fill in the blank:
The ________contains the egg or ovum.
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:
The whorl ________is green that protects the flower until it opens.
Give an account of polyembryony.
The occurrence of two or more embryos in one ovule is called ______
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.
