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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
With the help of a suitable example, explain protandry.
Geitonogamous flowering plants are genetically autogamous but functionally cross-pollinated. Justify.
A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds.
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(a) What is the minimum number of pollen grains that must have been involved in the pollination of its pistil?
(b) What would have been the minimum number of ovules present in the ovary?
(c) How many megaspore mother cells were involved?
(d) What is the minimum number of microspore mother cells involved in the above case?
(e) How many male gametes were involved in this case?
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Advantage of cleistogamy is:
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 ______
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Mention any one example of the hydrophilous flower.
What is hypohydrophily?
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.
Which one of the following flower is hypohydrophilous?
