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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
What are chasmogamous flowers?
Enlist advantages and disadvantages of cross pollination
Differentiate between the following:
Self pollination and cross pollination.
Define the term Pollinating.
Compare the characteristic features of insect pollinated and wind pollinated flowers. Explain how the respective features assist in pollination.
Exine and intine are the parts of
Differentiate between geitonogamy and xenogamy (allogamy).
Differentiate Between Cross Pollination and Self Pollination:
Describe the Advantages and Disadvantages of self-pollination to the Plant.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by ______.
Both chasmogamous and cleistogamous flowers are present in ______.
Plants with ovaries having only one or a few ovules are generally pollinated by ______.
Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.
The flower which does not open at all are called ______.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
Describe any three adaptations in hydrophilous flowers.
Name the pollinating agent of a flowering plant with large and coloured flowers with sticky stigma. State one characteristic feature of the pollen grains produced in such flowers.
Identify the set of correct statements:
- The flowers of Vallisneria are colourful and produce nectar.
- The flowers of waterlily are not pollinated by water.
- In most of water-pollinated species, the pollen grains are protected from wetting.
- Pollen grains of some hydrophytes are long and ribbon like.
- In some hydrophytes, the pollen grains are carried passively inside water.
Choose the correct answer from the options given below:
