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An oily layer found on pollen surface ……...

An oily layer found on pollen surface …….. .

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SURA PUBLICATION-ASEXUAL AND SEXUAL REPRODUCTION IN PLANTS-Answer in one word
  1. Science which deals with study of pollen grains ……….. .

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  2. Substance of pollen wall which preserves the pollen during fertilizati...

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  3. An oily layer found on pollen surface …….. .

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  4. Name the first cell of male gametophyte of a lowering plant ………… .

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  5. At which cellular stage , does the pollen grains are usually liberated...

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  6. Cavity in the ovary which bears the ovules …………… .

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  7. Another name for megasporangium in a flowering plant ……………. .

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  8. Stalk of the ovule …………. .

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  9. Tissue found in the ovule ……………. .

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  10. Protective coverings of a ovule …………… .

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  11. Female gametophyte in a flowering plant ………… .

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  12. An ovule which bears horse shoe shaped nucellus …………. .

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  13. Common type of ovule found in majority of the plants ……….. .

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  14. Number of cells and nuclei found in a embryo sac ………. .

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  15. Pollination which occurs without opening of flowers ………… .

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  16. Maturation of anther and stigma at different times …………… .

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  17. Pollination by birds ……………..

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  18. Pollination with the help of wind is called .

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  19. Pollination by animals ……….. .

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  20. Pollination by water …………. .

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