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Explain the function of each of the foll...

Explain the function of each of the following :
(a) Coleorihiza , ( b) Umbilical cord ,( c) Germ pores

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MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Revison Exercises (B. Questions From Cbse Board Examinations)
  1. (a) Mention any four strategies adopted by flowering plants to prevent...

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  2. Write the function of tapetum in anthers.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. Give reasons why: (i) Most zygotes in angiosperms divide only afte...

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  19. How does the megaspore mother cell develop into 7-celled, 8 nucleate e...

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  20. (a) Draw a labelled diagram of the sectional view of a typical anatrop...

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