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How many mitotic divisions are required ...

How many mitotic divisions are required to produce a mature male gametophyte from a single pollen grain …………..

A

4

B

1

C

3

D

2

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CHETANA PUBLICATION-REPRODUCTION IN LOWER AND HIGHER PLANTS -Exercise
  1. To produce 40 pollen grains ………………. Microspore Mother Cells are requir...

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

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

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

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

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  6. …………………….. Is a female gametophyle.

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

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

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

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

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

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  12. Endosperm is ……………

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

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

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  15. Pollination through …………….. Is known as chiropterophily

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  16. Yeast propagates by ……………

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  17. The cross pollination within the same species is also called as …..

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  18. In Angiosperms free nuclear division compulsorily take place during ……...

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  19. In recently fertilized ovule the haploid, diploid and triploid conditi...

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  20. Describe the development of male gametophyte in Angiosperms.

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