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(i ) Write the characteristics features ...

(i ) Write the characteristics features of anther, pollen and stigma of wind polinated flowers.
(ii) How do flowers reward their insect pollinators ? Explain.

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MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Revison Exercises (B. Questions From Cbse Board Examinations)
  1. How does the pollen mother cell develop into a mature pollen grain? Il...

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  2. Draw a longitudinal section of a post-pollinated pistil showing entry ...

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  3. (i ) Write the characteristics features of anther, pollen and stigma o...

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  4. (a) Mention any four strategies adopted by flowering plants to prevent...

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  5. Write the function of tapetum in anthers.

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  6. Explain the function of each of the following : (a) Coleorihiza , ...

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  7. Explain any three advantages the seeds offer to angiosperms.

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  8. Make a list of an y three outbreeding devices that flowering plants ha...

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  9. Why are angiosperm anthers called dithecous ? Describe the structure o...

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  10. Double fertilization is resported in plants of both castor and groundn...

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  11. A mature, embryo-sac in a flowering plant may possess 7-cells, but 8-n...

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  12. Metion the ploidy of the different types of cells present in the femal...

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  13. In a flowering plant is microscope mother cell produce four male gamet...

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  14. Draw a well labelled diagram of L. S. of an embryo of grass.

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  15. Draw a T.S. of a young anther of an angiosperm Label the different lay...

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  16. (a) You are given castor and bean seeds. Which one of the two would yo...

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  17. Describe the stages of embryo development in a dicot plant.

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  18. Fertilization is essential for the production of seed, but in some ang...

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

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  20. (a ) Trace the development ofmegaspore mother cell up to the formation...

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