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Why do you think the zygote is dormant f...

Why do you think the zygote is dormant for sometime in a fertilized ovule?

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Zygote start formation of embryo only when certain amount of endosperm is formed. This is an adaptation to provide assured nutrition to the developing embryo.
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MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-NCERT (Exercise Questions)
  1. Name the parts of an angiosperm flower in which development of male an...

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  2. Differentiate between microsprogenesis and magasporogenesis. Which typ...

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  3. Arrange the following terms in the correct development sequence : Poll...

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  4. With a neat, labelled diagram, describe the parts of a typical angiosp...

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  5. What is meant by monosporic development of female gametophyte?

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  6. With a neat diagram explain the 7-celled, 8-nucleate nature of the fem...

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  7. What are chasmogamous flowers ? Can cross-pollination occure in cleist...

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  8. Mention two strategies evolved to prevent self-pollination in flowers.

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  9. What is self-incompatibility? Why does self-pollination not lead to se...

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  10. What is bagging technique? How is it useful in a plant breeding progra...

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  11. What is triple fusion? Where and how does it take place? Name the nucl...

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  12. Why do you think the zygote is dormant for sometime in a fertilized ov...

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  13. Differentiate between: (a) Hypocotyl and epicotyl, (b) Coleoptil...

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  14. Why is apple called a false fruit? Which part(s) of the flower forms t...

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  15. What is meant by emasculation? When and why does a plant breeder emplo...

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  16. If one can induce parthenocarpy through the application of growth subs...

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  17. Explain the role of tapetum in the formation of pollen-grain wall .

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  18. What is apomixis and what is its importance ?

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