Advertisements
Advertisements
Question
What is polyembryony? How it can commercially exploited.
Solution
The occurrence of more than one embryo in a seed is called polyembryony.
- Embryos developed through polyembryony are found virus-free.
- The seedlings formed from nuclear tissue in citrus are found on better clones for orchards.
RELATED QUESTIONS
Name of the part of the ovary which gives rise to:
Seed ______
Give one word/term for the following:
When pollen grains of a flower reach the stigma of the same flower.
What happens to the following after fertilization?
Petals
What are the advantages of the following in the flower to the plant concerned?
Smooth and light pollen
Given ahead is a diagrammatic sketch of the sectional view of a germinating pollen grain. Study the same and then answer the question that follows:
What happens to the part labelled '5' during the process?
Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the question that follows:
Name the parts labelled 1, 2, 3, 4, 5 and 6.
Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the question that follows:
What happens to
i) Ovary
ii) Ovule after fertilisation
Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the question that follows:
What is the function of the synergids?
Name the scientists who have contributed to the following:
Discovered double fertilization.
What is the significance of the dispersal of seeds? Give any two points.
Explain the pollination process in Salvia
Describe the process of double fertilization in angiosperms and add a note on its significance.
The correct order of haploid, diploid, and triploid structure in fertilized embryo sac is
By which of the following double fertilization is exhibited?
Identify the CORRECT statement with reference to cellular endosperm.
Double fertilization is fusion of ______.
Double fertilization is characteristic of ______.
Fusion of one of the male gametes with egg nucleus is referred to as ______.
Which are the three cells found in a pollen grain when it is shed at the three celled stage?
