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Question
The ______ collect the pollen grains.
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Solution
The stigma collect the pollen grains.
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RELATED QUESTIONS
State what is apomixis. Comment on its significance. How can it be commercially used?
Mention one advantage of apomictic seeds to farmers.
Fill in the blank:
The ________contains the egg or ovum.
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.
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 | ||
Apomixis is a type of reproduction that results is the development of a/an ______.
In case of polyembryony, if an embryo develops from the synergid and another from the nucellus which is haploid and which is diploid?
Give reason: Nucellar polyembryony is significant in horticulture.
Explain following term:
Polyembryony
