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Draw the diagram of a mature embryo sac ...

Draw the diagram of a mature embryo sac and show its 8-nucleate, 7-celled nature. Show the following parts : antipodals, synergids, egg, central cell, polar nuclei. Label the diagram.

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A mature embryo sac.
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OSWAAL PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS -TOPIC-1 SHORT ANSWER TYPE QUESTIONS-I
  1. Mention two strategies evolved to prevent self-pollination in flowers.

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  2. In the diagram given below, show the path of a pollen tube from the po...

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  3. Identify the type of carpel with the help of diagrams given below :

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  4. Draw the diagram of a mature embryo sac and show its 8-nucleate, 7-cel...

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  5. Give below are the events that are observed in an artificial hybridiza...

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  6. Differentiate Geitonogamy from Xenogamy.

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

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  8. Write a note on the significance of pollination in plants.

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  9. Name the pollinating agents of flowers like maize and wheat. Give any ...

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  10. Differentiate between monoecious and dioecious plants. Give one exampl...

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  11. How many haploid nuclei and haploid cells are present in the female ga...

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  12. What is the role of integuments of ovule after fertilization? Which is...

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  13. Even though each pollen grain has two male gametes, why are at least 1...

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  14. If the chromosome number of a plant species is 20, what would be the c...

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  15. Emasculation may not be necessary, yet bagging is necessary. Justify g...

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  16. State one advantage and one disadvantage of cleistogamy.

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  17. Where is sporopollenin present in plants? State its significance with ...

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  18. Differentiate between intine and exine.

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  19. Differentiate between a matured unfertilized embryo sac and a fertiliz...

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  20. Write the characters of a wind pollinated flower?

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