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प्रश्न
Mention various adaptations for wind pollination.
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उत्तर
Adaptations in anemophilous flowers:
- The flowers are small, inconspicuous, colourless, without nectar and fragrance (odour).
- The pollen grains are light in weight, dry and produced in large numbers to increase chances of pollination considering wastage of pollen grains.
- Stigma is feathery to trap pollens carried by wind currents.
- Stamens are exserted with long filaments and versatile anthers.
- Stamens and stigmas are exposed to air currents.
APPEARS IN
संबंधित प्रश्न
List the different types of pollination depending upon the source of pollen gain.
Can cross-pollination occur in cleistogamous flowers? Give reason for your answer.
Complete the following chart and rewrite.
| Sr.No. | Agencies | type of pollination |
| 1 | Water | .................... |
| 2 | ........................... | Entomophily |
| 3 | Bat | .................... |
| 4 | ....................... | Ornithophily |
(Or)
Explain outbreeding devices in angiospermic plants.
Exine and intine are the parts of
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 ______.
The flower which possesses both androecium and gynoecium is called perfect or ______.
Insect pollinated flowers are ______.
Pollination in water lilies is carried out by ______.
Which of the following floral adapation are adapted by hydrophilous flowers?
