Advertisements
Advertisements
प्रश्न
Answer the following question:
Define Apomixis.
उत्तर
Apomixis is a type of asexual reproduction that mimics sexual reproductive i.e. production of seeds without pollination and fertilization.
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.
Fill in the blank:
The _________ collect the pollen grains.
Fill in the blanks:
The male whorl, called the ________ produces ________.
Fill in the blank:
The pollen grains represent the ________.
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 | ||
What is adventive polyembryony?
Which of the following is TRUE with respect to cleavage polyembryony?
The occurrence of two or more embryos in one ovule is called ______
