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Entry of the pollen tube with two male g...

Entry of the pollen tube with two male gametes and tube nucleus through micropyle is called :

A

Mesogamy

B

Porogamy

C

Chalazogamy

D

Autogamy

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The correct Answer is:
B
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MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANT-EXERCISE
  1. Find out the odd one.

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  2. Ovule is attached to placenta of ovary wall by :

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  3. Entry of the pollen tube with two male gametes and tube nucleus throug...

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  4. Apomixis on plant means, development of a plant :

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  5. Development of embryo sac from any cell of nucellus is called :

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  6. The major application of embryo culture is in :

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  7. Apomixis is a type of reproduction that results in the development of ...

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  8. Perisperm in angiospermic seeds is derived from :

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  9. In ovule meiosis occurs in :

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  10. The fusion product of polar nuclei and male gamete is :

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  11. The secondary nucleus after fusing with one of the two male gametes de...

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  12. If an endosperm cell of an angiosperm contains 24 chromosomes, the num...

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  13. Ovule is attached to placenta by a slender stalk called :

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  14. In angiosperms, embryo sac represents :

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  15. When micropyle, chalaza and hilum lie in straight line, the ovule is s...

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  16. In angiosperms, free nuclear division occurs during :

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  17. Tapetum layer around pollen sacs is meant for :

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  18. In fully developed male gametophyte, number of nuclei is :

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  19. In a fertilized ovule, n, 2n and 3n conditions occur respectively in :

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  20. Porogamy is entry for pollen tube through :

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