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Question
What happens to the ovary post fertilization?
Solution
After fertilization, ovary undergoes two important changes:
(i) The ovules develop into seeds
(ii) The ovary walls thicken and ripen into pericarp or fruit wall.
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RELATED QUESTIONS
Match the items in Column A with those in Column B.
|
Column A |
Column B |
|
(a) Generative nucleus |
(i) Pollen tube |
|
(b) Germ pore |
(ii) Endosperm nucleus |
|
(c) Exine |
(iii) Testa |
|
(d) Secondary nucleus |
(iv) Fertilization |
|
(e) Integument |
(v) Male nuclei |
|
(f) Egg nucleus |
(vi) Rough |
What are the advantages of the following in the flower to the plant concerned?
Protruding and easily movable anthers
What is the function of the pollen tube? Explain it with the help of a diagram.
Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the question that follows:
What part does the stigma play in the process of fertilisation?
What is ‘double fertilization’? Describe it with the help of a neat and well-labeled diagram. Give its importance.
Name the scientists who have contributed to the following:
Discovered double fertilization.
Define fertilization.
What is polyembryony? How it can commercially exploited.
Can an unfertilised, apomictic embryo sac give rise to a diploid embryo? If yes, then how?
Which is the triploid tissue in a fertilised ovule? How is the triploid condition achieved?
