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प्रश्न
Explain any three advantages that seeds offer to angiosperms.
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
Mention one advantage of apomictic seeds to farmers.
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
Fill in the blanks:
The male whorl, called the ________ produces ________.
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 blank:
________is the transfer of pollen grains from the anther of the flower to the stigma of the same or a different flower
Give an account of polyembryony.
The occurrence of two or more embryos in one ovule is called ______
Adventive polyembryony in citrus is due to ______.
What is pollen grain?
Explain following term:
Polyembryony
