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प्रश्न
Enlist adaptations in ornithophilous flowers.
उत्तर
Adaptation for the pollination in ornithophilous flowers:
- 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.
APPEARS IN
संबंधित प्रश्न
Differentiate between anemophily and entomophily.
State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets.
Maize_______ .
State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets.
Vallisneria ______
The question has four options. Choose the correct answer:
Pollination carried by birds is
Which of the following type of plants are nocturnal and open their flower during night?
Which type of pollination is observed in Anthocephalus and Kigelia pinnata?
If flower shows presence of pollen grains having smooth exine and versatile anthers 8 than it is a floral adaptation for ______.
Identify the CORRECT Sequence of matches with the type of pollination and its characteristics.
| a. | Ornithophily | 1. | nocturnal flower |
| b. | Entomophily | 2. | light pollens |
| c. | Chiropterophily | 3. | funnel shaped corolla |
| d. | Anemophily | 4. | pleasant fragrance neactar |
Arrangement of flowers in the given plant favours which type of pollination?
Match the following:
| 1. | Pollination by wind | Entamophily |
| 2. | Pollination by water | Anemophily |
| 3. | Pollination by insects | Ornithophily |
| 4. | Pollination by birds | Hydrophily |
