Check sibling questions

Define pollination. Explain the different types of pollination. List two agents of pollination. How does suitable pollination lead to fertilization?



(i) The transfer of pollen grains from the anther of a stamen to the stigma of a carpel is called pollination.


Different types of pollination are

Self Pollination

Cross Pollination

When the pollen grains from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant, it is called self pollination.

When the pollen grains from the anther of a flower on a plant is transferred to the stigma of a flower on a similar plant, it is called cross pollination.



(iii) Agents of pollination are: 

  • Wind
  • Water
  • Insects
  • Animals

(iv) Pollination leads to fertilisation by 

  • Pollen grains reaching the stigma of the flower through the pollination process.
  • After that pollen tube develops from pollen grain.
  • The pollen grain slides down the pollen tube and enters the ovary where it meets the egg. 
  • The male gamete present in the pollen grain fuses with the female gamete present in the ovule. Thus, fertilisation takes place.

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Self Pollination Cross Pollination

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