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Wind pollinated flowers are
[2010]
- a)small, brightly coloured, producing large number of pollen grains
- b)small, producing large number of dry pollen grains
- c)large producing abundant nectar and pollen
- d)small, producing nectar and dry pollen
Correct answer is option 'B'. Can you explain this answer?
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Wind pollinated flowers are[2010]a)small, brightly coloured, producing...
(b) Pollination by wind is called anemophily. Wind pollinated flowers are small in size, producing large number of dry pollen grains. Pollens are small, dry and light in weight. Grasses are anemophilous plants.
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Wind pollinated flowers are[2010]a)small, brightly coloured, producing...
Ya...it is 2nd option..bcz.as it is wind pollinated...it should light so that wind can carry it..and as there is no surity of getting pollinated it should be produced in large amount...
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Wind pollinated flowers are[2010]a)small, brightly coloured, producing...
Wind-pollinated flowers are small and produce a large number of dry pollen grains. This adaptation is specifically suited for pollination by wind rather than by insects or other animals. Let's explore the reasons behind this adaptation in detail.
1. Size of the flowers:
Wind-pollinated flowers are generally small in size compared to insect-pollinated flowers. This is because wind disperses pollen grains more easily from smaller flowers. Larger flowers can create more resistance to wind, making it difficult for the pollen grains to be carried away effectively.
2. Pollen production:
These flowers produce a large number of pollen grains. This is because wind is a less efficient method of pollination compared to insect pollination. Insect-pollinated flowers can attract specific pollinators by producing fewer, but more nutritious, pollen grains. However, wind-pollinated flowers produce a larger quantity of less nutritious pollen grains to increase the chances of successful pollination.
3. Dry pollen:
The pollen grains produced by wind-pollinated flowers are dry. This is because wind is not as effective as insects in transferring pollen from flower to flower. Dry pollen grains are lightweight and can be easily carried by the wind over long distances. They are also less likely to stick to the bodies of insects or birds, which are not the intended pollinators.
4. Lack of bright colors and nectar:
Unlike insect-pollinated flowers, wind-pollinated flowers do not need to attract pollinators with bright colors or nectar. Insect-pollinated flowers often have vibrant colors and produce nectar to attract insects. However, wind-pollinated flowers rely solely on the wind for pollination. Therefore, they do not invest energy in producing colorful petals or nectar.
In conclusion, wind-pollinated flowers have adapted to their specific method of pollination by being small, producing a large number of dry pollen grains, and lacking bright colors and nectar. These adaptations increase the chances of successful pollination by wind and ensure the transfer of pollen over long distances.
1. Size of the flowers:
Wind-pollinated flowers are generally small in size compared to insect-pollinated flowers. This is because wind disperses pollen grains more easily from smaller flowers. Larger flowers can create more resistance to wind, making it difficult for the pollen grains to be carried away effectively.
2. Pollen production:
These flowers produce a large number of pollen grains. This is because wind is a less efficient method of pollination compared to insect pollination. Insect-pollinated flowers can attract specific pollinators by producing fewer, but more nutritious, pollen grains. However, wind-pollinated flowers produce a larger quantity of less nutritious pollen grains to increase the chances of successful pollination.
3. Dry pollen:
The pollen grains produced by wind-pollinated flowers are dry. This is because wind is not as effective as insects in transferring pollen from flower to flower. Dry pollen grains are lightweight and can be easily carried by the wind over long distances. They are also less likely to stick to the bodies of insects or birds, which are not the intended pollinators.
4. Lack of bright colors and nectar:
Unlike insect-pollinated flowers, wind-pollinated flowers do not need to attract pollinators with bright colors or nectar. Insect-pollinated flowers often have vibrant colors and produce nectar to attract insects. However, wind-pollinated flowers rely solely on the wind for pollination. Therefore, they do not invest energy in producing colorful petals or nectar.
In conclusion, wind-pollinated flowers have adapted to their specific method of pollination by being small, producing a large number of dry pollen grains, and lacking bright colors and nectar. These adaptations increase the chances of successful pollination by wind and ensure the transfer of pollen over long distances.
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Wind pollinated flowers are[2010]a)small, brightly coloured, producing large number of pollen grainsb)small, producing large number of dry pollen grainsc)large producing abundant nectar and pollend)small, producing nectar and dry pollenCorrect answer is option 'B'. Can you explain this answer?
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