Biology
Write the features of a flower pollinated by wind.
Reproduction in Plants
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Answer
Following are the features of a flower pollinated by wind:
- Most wind-pollinated flowers are small.
- They have dry and light pollen grains which can be easily carried by wind.
- Pollen grains are produced in very large quantities so that at least some have a chance to reach the stigma.
- The style projects out and has a large, feathery stigma so that the pollen flying in the wind can be easily received.
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- The pollen grain begins to grow a pollen tube.
- The pollen grain is deposited on the stigma.
- The pollen tube grows down through the style to the ovary.
- The fusion of the male gamete with the female gamete occurs inside an ovule.
- A male gamete travels down each pollen tube.
- The nucleus of pollen tube divides to form male gametes.