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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
Describe the characteristic features of wind pollinated flowers.
Find the odd-one out, giving reason:
Ovary, style, pollen grain, stigma
Give one word/term for the following:
Pollination of flowers by birds.
Can a plant flowering in Mumbai be pollinated by pollen grains of the same species growing in New Delhi? Provide explanations to your answer.
Pollination occurs in ______.
The flower which possesses both androecium and gynoecium is called perfect or ______.
In the dioecious aquatic plant shown, identify the characteristics of the male flowers that reach the female flowers for pollination:
| Size of the flower | Colour of flower | The characteristic feature of pollen grain | |
| A | small | brightly coloured | Lightweight and non-sticky |
| B | large | colourless | large and sticky |
| C | small | white | small, covered with mucilage |
| D | large | colourless | non-sticky |
Which type of pollination does the figure indicate?
Advantage of cleistogamy is:
What are the major abiotic factors that influence habitat?
