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To produce 40 pollen grains ………………. Micr...

To produce 40 pollen grains ………………. Microspore Mother Cells are required.

A

40

B

20

C

10

D

80

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CHETANA PUBLICATION-REPRODUCTION IN LOWER AND HIGHER PLANTS -Exercise
  1. ………………… reproduces asexually by producing flagellated motile zoospores...

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

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

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

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

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

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

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  8. …………………….. Is a female gametophyle.

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

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

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

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

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

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  14. Endosperm is ……………

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

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

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

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  18. Yeast propagates by ……………

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

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

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