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Distinguish between protandry and protog...

 Distinguish between protandry and protogyny.

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(a) Protandry : Anthers mature earlier than the carpels. e.g. sunflower, cotton.
(b) Protogyny : Carpels mature earlier than others. e.g. michelia, Ficus.
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SUBHASH PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-TWO MARKS QUESTION
  1. What are the parthenocarpic fruits?

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  2. What is double fertilization?

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  3. What is Apomixis? What is its importance?

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  4. Draw a diagram of pollen grain with a germ tube and two male gametes w...

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  5. What is self-incompatibility ? Why does self-pollination most lead to ...

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

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  7. What is triple fusion? Where and how does it take place ? Name the nuc...

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

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  9. Differentiate between: (a) hypocotyl and epicotyl, (b) coleoptile and ...

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

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

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  12. Explain the role of tapetum in the formation of a pollen grain wall.

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  13. Write the characters of a wind pollinated flower?

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  14. Distinguish between protandry and protogyny.

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  15. What are cleistogamous flowers ? Can cross pollination occur in cleist...

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

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  17. Write the significance of double fertilization.

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  18. Differentiate Geitonogamy from Xenogamy.

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  19. What is xenogamy? Mention its importance.

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  20. What is artificial hybridization? Explain emasculation and bagging tec...

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