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Draw a seed of angiosperms....

Draw a seed of angiosperms.

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Short Answer Questions Three mark Each QUESTION FROM STATE BOARD EXAMINATIONS Explain any three advantages that seeds offer to angiosperms.

Write the characters of angiosperms.

Draw well labelled diagram of L.S. of mature ovule of angiosperms

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : (a) Draw a labelled diagram of the internal structure of a mature embryo sac of an angiosperm. (b) Trace the events that occur in a functional megaspore leading to the development of a matured embryo sac in an angiosperm.

Male gamete in angiosperms is produced by

Name the two main parts of angiospermic plant.

MBD-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Exercise
  1. Draw a seed of angiosperms.

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  2. What is the genetic constitution of endosperm in angiosperms?

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  3. Mention the reason for difference in ploidy of zygote and primary endo...

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  4. Name the sperm lysins.Which orgenelle secrete it.What is its function?

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  5. Fertilization is not an obligatory event for fruit production in certa...

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  6. Where would you look for coleoptile and coleorhiza?

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  7. On the basis of structure of the embryo, how would you identify whethe...

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  8. In a flower, if the megaspore mother cell forms megaspores without und...

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  9. In some plants, the female gamete develops into embryo without fertili...

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  10. Define triple fusion. What is bagging technique?

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  11. Why are banana seedless?

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  12. How tapetal cell in microsporangium can become binucleate?

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  13. What is Apomixis ? What is its importance ?

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  14. Differentiate true fruit and false fruit. Give example in each case.

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  15. Give the structure of pollen grain.

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  16. Discribe the post-fertilisation changes in a flower.

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

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  18. Why the cleavage in mammals referred as simple holoblastic?

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  19. Draw a diagram of fertilized embryo sac showing zygote and PEN.

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  20. Why does endosperm development precede embryo development in angiosper...

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