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Question
Fill in the blanks:
The male whorl, called the ________ produces ________.
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Solution
The male whorl, called the androecium produces pollen grains.
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RELATED QUESTIONS
How polyembryony can be commercially exploited?
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.
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 | ||
What is adventive polyembryony?
The occurrence of two or more embryos in one ovule is called ______
What is pollen grain?
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.
Give reason: Nucellar polyembryony is significant in horticulture.
