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In Angiosperms, endosperm is formed by/d...

In Angiosperms, endosperm is formed by/due to …………

A

Free unclear divisions of megaspore.

B

Polar unclei.

C

Polar unclei and male gamete.

D

Synergids and male gamete.

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CHETANA PUBLICATION-REPRODUCTION IN LOWER AND HIGHER PLANTS -Exercise
  1. Which of the following types require pollinator but result in genetica...

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  2. If diploid chromosome number in a flowering plant is 12, then which on...

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  3. In Angiosperms, endosperm is formed by/due to …………

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  4. Point-out the odd one ………

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  5. ………………… reproduces asexually by producing flagellated motile zoospores...

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  6. In grafting rooted plant is used as a………………

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  7. To produce 40 pollen grains ………………. Microspore Mother Cells are requir...

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  8. A flower with many free carpels is called as ……………..

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  9. How many mitotic divisions are required to produce a mature male gamet...

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  10. The stalk of the ovule is …………………

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  11. ……………………. Is a hair like projections shown by synergid, which guide th...

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  12. …………………….. Is a female gametophyle.

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  13. The type of pollination observed in Zostera and Vallisneria respective...

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  14. The bisexual flowers which do not open to favour autogamy are called …...

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  15. In Calotropis self-pollination is avoided by ……………

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  16. The number of meiotic divisions required to produce 200 seeds in a pea...

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  17. ……………. And ……… are two events of sexual reproduction in flowering plan...

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  18. Endosperm is ……………

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  19. Formation of fruit without fertilization is called ……….

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  20. In porogamy the pollen tube enters the ovule through ………….

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