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The outermost and innermost wall layers ...

The outermost and innermost wall layers of micro-sporangium in an anther are respectively.

A

Endothecium and tapetum

B

Epidermis and endodermis

C

Epidermis and middle layer

D

Epidermis and tapetum

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MBD-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Exercise
  1. The outermost and innermost wall layers of micro-sporangium in an anth...

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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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