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प्रश्न
In case of polyembryony, if an embryo develops from the synergid and another from the nucellus which is haploid and which is diploid?
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उत्तर
The synergid embryo is haploid, and the nucellus embryo is diploid.
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संबंधित प्रश्न
State what is apomixis. Comment on its significance. How can it be commercially used?
Explain any three advantages that seeds offer to angiosperms.
Explain the different ways apomictic seeds can develop, Give an example of each.
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
State what is apomixis. Write its significance. How can it be commercially used?
How polyembryony can be commercially exploited?
The ______ collect the pollen grains.
Fill in the blank:
The ______ is the base of the flower to which other floral parts are attached.
Once the pollen reaches the stigma, the pollen tube traverses down the ________ to the ovary where fertilization occurs.
Fill in the blanks:
The ______ are coloured to attract the insects that carry the pollen. Some flowers also produce ______ or ______ that attracts insects.
What is adventive polyembryony?
Adventive polyembryony in citrus is due to ______.
What is polyembryony and how can it be commercially exploited?
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.
Explain following term:
Polyembryony
Which of the following is an example of false polyembryony?
Which type of polyembryony involves diploid cells of the nucellus or integuments developing directly into embryos?
Which embryo sac cells can develop into embryos other than the egg cell in polyembryony?
What is the origin of embryos in Aristolochia according to embryo sac cell types?
Which embryo typically survives in polyembryonic seeds?
Which of the following is an example of sporophytic cell activation polyembryony?
Which theory explains polyembryony through the release of chemical stimuli from degenerating cells?
