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in Pollination, Fertilization & Development of Endosperm and Embryo by (46.2k points)
How many types of pollination is found? Explain adaptations in flower for cross-pollination in brief.

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Transfer of pollen from the anther to the stigma of the flower is called pollination. It can be of two types: 

  •  Self-pollination
  • Cross-pollination 

In cross-pollination, pollen grains are transferred by some agency from the flower to the stigma of the flower on a different plant of the same species or a different species. To eliminate self-pollination and to promote cross-pollination, flowers develop following adaptations:

1. Self sterility or incompatibility 

2. Unisexuality or Decline 

3. Dichogamy 

4. Herkogamy 

5. Heterostyly

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