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प्रश्न
Fill in the blank:
________is the transfer of pollen grains from the anther of the flower to the stigma of the same or a different flower
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उत्तर
Pollination is the transfer of pollen grains from the anther of the flower to the stigma of the same or a different flower.
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संबंधित प्रश्न
Why are some seeds referred to as apomictic seeds?
State what is apomixis. Write its significance. How can it be commercially used?
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.
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 | ||
Which of the following is TRUE with respect to cleavage polyembryony?
Apomixis is a type of reproduction that results is the development of a/an ______.
The polyembryony commonly occurs in ______.
The occurrence of two or more embryos in one ovule is called ______
Adventive polyembryony in citrus is due to ______.
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.
