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प्रश्न
Fill in the blank:
The pollen grains represent the ________.
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उत्तर
The pollen grains represent the male gametophyte.
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संबंधित प्रश्न
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 | ||
The polyembryony commonly occurs in ______.
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.
In true polyembryony, where do multiple embryos develop?
Which of the following is an example of false polyembryony?
What is the source of polyembryos in Balanophora?
Who proposed the Recessive Gene Theory and in what year?
Which of the following is NOT a type of polyembryony in the four-type classification system?
