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प्रश्न
Explain any three advantages that seeds offer to angiosperms.
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उत्तर
Seeds offer the following advantages to angiosperms:
(i) They provide nourishment and parental care to the developing embryo.
(ii) They protect the embryo from harsh environmental conditions.
(iii) The dispersal of seeds to far-off places prevents competition among the members of the same species, thus preventing their extinction.
संबंधित प्रश्न
State what is apomixis. Comment on its significance. How can it be commercially used?
Define Apomixis.
Fill in the blank:
The pollen grains represent the ________.
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.
What is pollen grain?
In true polyembryony, where do multiple embryos develop?
According to the Recessive Gene Theory, what controls polyembryony?
Who proposed the Recessive Gene Theory and in what year?
Which of the following is NOT a type of polyembryony in the four-type classification system?
