Name one of the most common abiotic agents of pollination. List any three characteristics of pollen grains pollinating the flowers through this agent.

C.B.S.E 2009

 

Answer

The most common abiotic agent of pollination is wind.


Characteristics


   i) Pollen grains are small,light and winged or dusty and can be blown by wind up to a distance of 1300 km.Example- Pinus


  ii)  Pollen grains are nonsticky, unwettable, dry and smooth.


  iii)  Pollen grains are produced in very large number.eg A single flower of Cannabis produces 500000 pollen grains.

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