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Double fertilization in angiospermic pla...

Double fertilization in angiospermic plants means :

A

Fusion of two egg cells with two male gametes

B

Fusion of egg cell twice with male gametes

C

Fusion of one male gamete with the egg cell and the other male gamete with the synergid

D

Fusion of one male gamete with the egg cell and the other male gamete with the secondary nucleus.

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The correct Answer is:
D
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Double fertilisation in an angiosperms plant means (a) fusion of two egg cells with two male gametes (b) fusion of egg cell twice with male gametes (c) fusion of one male gamete with the egg cell and the other male gamete with the synergid (d) fusion of one male gamete with the egg cell and the other male gamete with secondary nucleus

Total number of nuclei involved in double fertilization in angiosperms are :

Double fertilization,involves:

Double fertilization in angiosperms was discovered by :

The total number of nuclei involved in double fertilisation in angiosperms are

Endosperm, a product of double fertilisation in angiosperm is absent in the seeds of

Give an account process of double fertilization of angiosperms.

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANT-EXERCISE
  1. Anemophilous flowers have :

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  2. Which among the following are pollinated by bat ?

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  3. Double fertilization in angiospermic plants means :

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  4. Entry of pollen tube through the chalazal end is called

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  5. Anemophily is pollination affected by :

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  6. Triple fusion in angiosperms is the fusion of second sperm with :

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  7. Total number of nuclei involved in double fertilization in angiosperms...

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  8. Pollen grains can be stored for several years in liquid nitrogen havin...

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  9. Name the process of formation of microspore from pollen mother cells.

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  10. Name the outer hard covering of pollen grains made up of sporopollenin...

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  11. What term is used for inner wall of the pollen grain?

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  12. Name the plant in which the pollen grains are not covered by exine.

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  13. What is the shield shaped single cotyledon of monocut called ?

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  14. Which part of ovule forms perisperm ?

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  15. Name the smallest flower of the world.

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  16. Name the largest flower of the world.

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  17. Which part of flower serves as landing platform of pollen grain?

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  18. Which term is used for basal bulging part of the pistil ?

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  19. What term is used for pollination achieved within same flower ?

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  20. What term is applied for transfer of pollen grains from anther to stig...

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