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Why is the process of fertilization in a...

Why is the process of fertilization in a flowering plant referred to as double fertilization?

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Fertilization in flowering plants is referred to as double fertilization because both the male gametes of the same microspore take part in fusion. One fuses with the egg to form the diploid zygote and the other fuses with the two polar nuclei to form the triploid primary endosperm nucleus.
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OSWAAL PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS -TOPIC-2 SHORT ANSWER TYPQ QUESTIONS-I
  1. Why do you think the zygote is dormant for sometime in a fertilized ov...

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  2. Differentiate between : (a) Hypocotyl and epicotyl (b) Coleoptile ...

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  3. Differentiate between : (a) Integument and testa (b) Perisperm and...

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  4. Why is apple called a false fruit? Which parts of the flower form the ...

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  5. What is polyembryony and how can it be commercially exploited?

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  6. Are parthenocarpy and apomixis different phenomena? Discuss their bene...

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  7. Which is the triploid tissue in a fertilised ovule? How is the triploi...

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  8. Is pollination and fertilisation necessary in apomixis? Give reasons.

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  9. What is a false fruit? Give an example.

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  10. What are the parthenocarpic fruits?

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  11. What is double fertilization?

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  12. What is Apomixis? What is its importance?

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  13. Write the significance of double fertilization.

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  14. Why is the process of fertilization in a flowering plant referred to a...

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  15. How does endosperm of angiosperms become triploid?

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  16. Banana is a parthenocarpic fruit whereas oranges show polyembryony. Ho...

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  17. Name the cell from which the endosperm of coconut develops. Give the c...

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  18. Why most of the zygotes in angiosperms divide only after certain amoun...

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