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प्रश्न
Mention one advantage of apomictic seeds to farmers.
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उत्तर
Embryos formed through apomixis are generally free from infections.
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संबंधित प्रश्न
Why are some seeds referred to as apomictic seeds?
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
The ______ collect the pollen grains.
Fill in the blank:
The pollen grains represent the ________.
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 blanks:
The ______ are coloured to attract the insects that carry the pollen. Some flowers also produce ______ or ______ that attracts insects.
Fill in the blank:
The whorl ________is green that protects the flower until it opens.
Which of the following is TRUE with respect to cleavage polyembryony?
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?
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
In true polyembryony, where do multiple embryos develop?
What is the origin of embryos in Aristolochia according to embryo sac cell types?
Who proposed the Necrohormone (Neochromosome) Theory and in what year?
Which type of polyembryony involves derivatives of two or more megaspore mother cells (MMCs)?
