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प्रश्न
Mention one advantage of apomictic seeds to farmers.
उत्तर
Embryos formed through apomixes are generally free from infections.
APPEARS IN
संबंधित प्रश्न
Explain the different ways apomictic seeds can develop, Give an example of each.
Answer the following question:
Define Apomixis.
Define the Polyembryony.
Fill in the blank:
The _________ collect the pollen grains.
Fill in the blanks:
The male whorl, called the ________ produces ________.
Once the pollen reaches the stigma, the pollen tube traverses down the ________ to the ovary where fertilization occurs.
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 | ||
What is pollen grain?
Give reason: Nucellar polyembryony is significant in horticulture.
