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प्रश्न
What are the different adaptations shown by bird-pollinated flowers?
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उत्तर
Ornithophilous plants shows the following adaptations:
- Flowers are usually brightly coloured, large, and showy.
- They secrete profuse, dilute nectar.
- Pollen grains are sticky and spiny.
- Flowers are generally without fragrance, as birds have a poor sense of smell.
संबंधित प्रश्न
Name the part of the flower which the tassels of the corn- cob represent.
Mention two strategies that evolved to prevent self-pollination in flowers.
Which one of the following is one of the characteristics of self-pollinated flowers?
Name of the parts of the ovary which give rise to:
Fruit wall ______
Chief pollinators of agricultural crops are ______.
During Hybridization process anther of the bisexual flower is removed before it dehisces is called ______.
Which one of these statements is incorrect?
The following statements seem to describe the water-pollinated submerged plants.
In which one of the following pollination is autogamous?
Describe any three adaptations in anemophilous flowers.
Complete the following table:
| Sr. | Type of pollination | Agent | Kind of flower | Examples |
| (i) | ______ | Wind | ______ | Maize |
| (ii) | Chiropterophily | ______ | Dull colour, with strong fragrance, abundant nectar | Adansonia |
| (iii) | Entamophily | Insects | ______ | Rose/Jasmine |
| (iv) | Ornithophily | ______ | Brightly coloured, large and showy. They secrete profuse, dilute n ectar | ______ |
