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What is secondary nucleus? What is its f...

What is secondary nucleus? What is its fate when fertilized by sperm?

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Secondary nucleus is formed by

Secondary nucleus is fertilized by male gamete to form–

Why fusion of male nucleus with the secondary nucleus of embryo sac is called fertilization ?

In an angiospermic plant, endosperm is formed due to fertilization due to fertilization of secondary nucleus but it is absent in some of the seeds viz. pea, bean, phaselous (moong) etc. it is due to lack of

The secondary nucleus is formed by the fusion of ………… .

The nucleus of a sperm id located in :

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Revison Exercises (IV. Short Answer Type -II Questions)
  1. Explain the structure of female gametophyte with a well labelled diagr...

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  2. Draw a well labelled diagram showing structure of L.S. of Malze grain.

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  3. Draw a well labelled diagram showing enlarged sectional view of a poll...

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  4. Write a short note on double fertilisation in angiosperm.

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  5. ASSISTED REPRODUCTIVE TECHNOLOGIES

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  6. Describe the post-fertilization changes in a flower.

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  7. Synergids have special cellular thickening at micropylar tip. Write th...

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  8. In angiosperms female gametophyte is known as embryo sac. Explain its ...

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  9. Draw a well labelled diagram of embryo sac.

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  10. Draw a neat labelled diagram of the structure of typical bisexual flow...

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  11. What are the advantages of cross pollination?

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  12. Explain the different types of endosperm with suitable diagram

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  13. Give the characteristic features of anemophilous flowers.

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  14. Draw a neat labelled diagram of T.S. of mature anther.

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  15. Write two points of differences between anemophilous and entomophilous...

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  16. Describe the structure of angiospermous embryo sac.

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  17. What is secondary nucleus? What is its fate when fertilized by sperm?

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  18. What is triple fusion? How does it take place?

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  19. Draw diagram of embryo sac and label the following: (i) Egg cell (ii...

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  20. Double fertilization is a characteristic feature of angiosperms. (a)...

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