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प्रश्न
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.
उत्तर
Syngamy (fertilization) 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.
APPEARS IN
संबंधित प्रश्न
Explain the different ways apomictic seeds can develop, Give an example of each.
Mention one advantage of apomictic seeds to farmers.
Answer the following question:
Define Apomixis.
How polyembryony can be commercially exploited?
Fill in the blank:
The _________ collect the pollen grains.
Once the pollen reaches the stigma, the pollen tube traverses down the ________ to the ovary where fertilization occurs.
Fill in the blank:
The whorl ________is green that protects the flower until it opens.
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 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
