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Each ovule attaches to the plecenta by a...

Each ovule attaches to the plecenta by a slender stalk is called hilum.

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A typical angiospermous ovule is attached to the placenta by means of a stalk called X. Body of the ovule fuses with X in the region called Y. Identify X and Y.

Stalk with which ovule remains attached to the placenta is called

Ovule is attached to placenta of ovary wall by :

The underline("ovule") is attached to the placenta of ovary by means of nucellus.

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANT-EXERCISE
  1. Fusion of 3 haploid nucleis is called pollination.

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  2. The zygote develops into endosperm.

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  3. In the grass family the cotylendon is called plumule.

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  4. Correct the statement if required by changing of underlined words only...

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  5. Correct the statement if required. The innermost layer of microspora...

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  6. Ubisch bodies are present epidermal cells.

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  7. Tapetum is the 2nd layer of microsporangium.

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  8. Formation and differentiation of microspore is called Megasporogenesis...

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  9. When carpels are free called as hydrophily.

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  10. Each ovule attaches to the plecenta by a slender stalk is called hilum...

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  11. Pollination by animals is called hydrophily.

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  12. Correct the statement if required by changing of underlined words only...

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  13. Removal of anther from a bisexual flower is called fertilization.

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  14. A small opening is left at integument of ovule is called as chalaza.

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  15. Phenomenon of formation of more than one embryo per ovule is called me...

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  16. Callus is a proteinous layer present on the outer surface of seeds of ...

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  17. Tapetum is the covery sheath of plumule in monocots.

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  18. Coleoptile is the protective sheath of radicle in monocots.(TRUE/FALSE...

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  19. Process of carrying male gametes in the vicinity of female gamete by p...

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  20. Tapetum layer around pollen sacs is meant for :

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