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प्रश्न
Describe any three adaptations in anemophilous flowers.
Give adaptations in anemophilous flowers.
Give any four adaptations of anemophilous flowers.
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उत्तर
- The flowers are small, inconspicuous, colourless, and without nectar and fragrance (odour).
- The pollen grains are light in weight, dry and produced in large numbers to increase chances of pollination considering the wastage of pollen grains.
- Stigma is feathery enough to trap pollen carried by wind currents.
- Stamens are exserted with long filaments and versatile anthers.
- Stamens and stigmas are exposed to air currents.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Why does self-pollination not lead to seed formation in self-incompatible species?
Enlist advantages and disadvantages of cross pollination
Give the floral adaptations for anemophily.
Name two characteristics of flowers in which pollination occur by wind.
Can a unisexual flower be self pollinated?
Fill in the blanks with suitable words.
_______ is a water-pollinated flower.
Give four adaptations shown by flowers pollinated by wind.
Answer the following question.
Write the difference in the characteristics of the progeny produced as a result of the two processes.
Coelacanth was caught in South Africa. State the significance of the discovery of Coelacanth in the evolutionary history of vertebrates.
At which stage pollen grains are shed from the anther in Angiosperms?
Cleistogamous flowers are ______.
Both chasmogamous and cleistogamous flowers are present in ______.
Which of the following pair has haploid structures?
Heterostyly as a contrivance for cross-pollination is found in ______.
The flower which possesses both androecium and gynoecium is called perfect or ______.
Which one of the following may require pollinators, but is genetically similar to autogamy?
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is ______
Autogamy can occur in a chasmogamous flower if ______.
