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Describe the post-fertilization changes ...

Describe the post-fertilization changes in a flower.

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In flowering plants , zygotes is formed inside the ovule. After fertilization , sepals , petals and stamers of the flower wither and fall off. The pistil remains attached to the flower . Zygote forms the embryo and ovule having embryo forms the seed. Ovary develops into fruit . Pericarp is protective in fuction . After dispersal of furits and seeds germinate to from new plants during suitable germinating conditions .
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MODERN PUBLICATION-REPRODUCTION IN ORGANISMS-NCERT FILE (EXERCISE QUESTIONS)
  1. Why is reproduction essential for organisms?

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  2. Which is a better mode of reproduction : sexual or asexual ? Why ?

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  3. Why is the offspring formed by asexual reproduction referred to as clo...

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  4. Offspring formed due to sexual reproduction have better chances of sur...

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  5. How does the progeny formed from asexual reproduction differ from thos...

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  6. Distinguish between asexual and sexual reproduction. Why is vegetati...

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  7. What is vagetative propagation ? Give two suitable examples.

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  8. Define : (i) Juvenile phase, (ii) Reproductive phase, (iii) Senescent ...

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  9. Higher organisms have resorted to sexual reproduction in spite of its ...

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  10. Explain why meiosis and gametogenesis are always interlinked?

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  11. Identify each part and write whether it is haploid (n) or diploid (2n)...

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  12. Define external fertilization. Mention its disadvantages.

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  13. Differentiate between a zoospore and zygote.

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  14. Differentiate between Gametogensis and Embryogensis.

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

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  16. What is a bisexual flower? Collect five bisexual flowers from your nei...

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  17. Examine a few flowers of any cucurbit plant and try to identify the st...

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  18. Why offspring oviparous animals are at a greater risk ?

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