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What are germ pores?...

What are germ pores?

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" Pollen grains in wheat are shed at 3-celled stage while in peas they are shed at 2-celled stage". Explain. Where are germ pores present in a pollen grain ?

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MBD -HARYANA BOARD-SEXUAL REPRODUCTION IN FLOWERING PLANTS-EXERCISE
  1. What are germ pores?

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  2. Fill in the blanks with suitable words: Fertilization in angiosperms i...

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  3. Fill in the blanks with suitable words: In ......... flowers,the thala...

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  4. Fill in the blanks with suitable words: Stalk of ovule is called ........

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  5. Fill in the blanks with suitable words: During ixrosporogenesis,Ubisch...

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  6. Fill in the blanks with suitable words: In Calotropis ,all the microsp...

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  7. Fill in the blanks with suitable words: Albuminous seeds store reserve...

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  8. State true of false : The female gametophyte of a typical dicot at t...

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  9. State true of false : Ebryo sac is found in ovule.

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  10. State true of false : Mustard and tomato are examples of hypogynous f...

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  11. State true of false : Removal of anther from bud is clled emasculatio...

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  12. State true of false : A cleistogamous flower remains closed to help s...

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  13. State true of false : In angiosperm,endosperm develops after double f...

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  14. A mature ovule that contains at embry,with stored food enclosed in a p...

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  15. The female gametophyte of flowering plants that contains an egg cell.

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  16. A kind of reproduction in which the new individuals are formed without...

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  17. A kind of self - pollination in which the pollens from the anthers of ...

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  18. Testa and tegmen are present in :

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  19. Allogamy is a form of :

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  20. Male gametes are formed from:

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  21. The fertilization in which male gametes are carried throughl pollen tu...

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