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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
Why are some seeds referred to as apomictic seeds?
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 blanks:
The male whorl, called the ________ produces ________.
Fill in the blank:
The pollen grains represent the ________.
Fill in the blanks:
The ______ are coloured to attract the insects that carry the pollen. Some flowers also produce ______ or ______ that attracts insects.
Match the column.
| Column - I (Structure before seed formation) |
Column - II (Structure after seed formation) |
||
| A. | Funiculus | I. | Hilum |
| B. | Scar of ovule | II. | Tegmen |
| C. | Zygote | III. | Testa |
| D. | Inner integument | IV. | Stalk of seed |
| V. | Embryo | ||
The polyembryony commonly occurs in ______.
The occurrence of two or more embryos in one ovule is called ______
What is pollen grain?
Explain following term:
Polyembryony
