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In adventive embryony embryo arises form...

In adventive embryony embryo arises form

A

cells of nucellus

B

diploid embryo sac

C

cells of integument

D

more than one option is correct

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AAKASH INSTITUTE-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Assignment (SECTION D)
  1. In adventive embryony embryo arises form

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  2. A: Each cell fo the sporogenous tissue is capable of giving rise to a ...

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  3. A: In sporoderm pecitocellulosic layer is surrounded by sproropolleni...

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  4. A: The gerative cell comes to lie freely in the cytoplasm of the tube ...

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  5. A: Restitutional nucleus can be observed in endothecium cells R: End...

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  6. A: chalazal vacuole is present in the help cell of embryo sac R: Pol...

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  7. A: Formatin of mature male gametophyte requires one meiotic and one mi...

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  8. A: filiform apparauts guides the pollen tube into the synergids R: I...

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  9. A: Geitonogamy helps in maintaining homozygosity and superiority of t...

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  10. A: Initial growth of pollen tube takes places on expenditure of food p...

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  11. A: Eight cells of octant stage in dicot embryogeny are made by 2 verti...

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  12. A: Triple fusion is associated with the sexual reproduction inall sper...

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  13. A: Anatropous ovule is resupinate ovule R: The body of ovule is comp...

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  14. A: More than one pollen tubes can enter an embryo sac R: Double fert...

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  15. A: hybird seed have to eb produced every year because seeds collected ...

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  16. A: Growth of male gametophyte is completed over the female reproductiv...

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  17. A: certain proteins of pollen orgin identifies the compatible stigam ...

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  18. A: Tetrapid gametophyte can be produced form tetraploid sporophyte by...

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  19. A: continued self pollination checks inbreeding depression R: pollen...

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  20. A: Complete radicle is not produced by hypobasal tier of octant embryo...

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  21. A: Apomicitic embryo is asexual mode of reproduction R: it prevents ...

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