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(a ) Trace the development ofmegaspore m...

(a ) Trace the development ofmegaspore mother cell up to the formation of a mature embryo-sac in a flower ing plant.
(b) Draw a labelled diagram of the structure of mature dicot embryo.

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Draw a well labelled diagram of embryo sac.

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MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Revison Exercises (B. Questions From Cbse Board Examinations)
  1. Fertilization is essential for the production of seed, but in some ang...

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

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

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

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

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

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  7. With a neat, labelled diagram, describe the parts of a mature angiospe...

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  8. (a) Draw a diagrammatic sectional view of a mature anatropous ovule an...

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  9. a) Coconut palm is monoecious, while date palm is dioecious. Why are t...

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  10. (a) Explain the phenomenon of double fertilization . (b) Draw a lab...

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  11. a) Why does endosperm development precede development in angiosperm s...

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  12. (a) Explain the different ways apomictic seeds can develop. Give an ex...

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  13. A flower of tomato plant following the process of sexual reproduction ...

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  14. (a) Describe is sequence the process of microsporogenesis in angiosper...

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  15. (a) As a senior biology student you have been asked to demonstrate to ...

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  16. (a) A capsicum flower has 240 ovules in its ovary . But , it produces ...

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  17. A flower of brinjal has 520 ovules in its ovary . However, it produces...

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  18. Read the following statement and answer the questions that follows: ...

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  19. (a) When a seed of an orange is squeezed , many embryos , instead of...

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  20. Mention various devices to discourage self pollination and encourage c...

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