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Question
What are the different adaptations shown by bird-pollinated flowers?
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Solution
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.
RELATED QUESTIONS
Lever mechanism of pollination is observed in
- Salvia
- Jasmine
- Bougainvillea
- Butea
The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as ______.
Describe the structure of its microsporangium.
Differentiate between the following:
Self pollination and cross pollination.
Mention various adaptations for wind pollination.
A dioecious flowering plant prevents both ______.
Pollination occurs in ______.
The flower which does not open at all are called ______.
Autogamy can occur in a chasmogamous flower if ______.
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.
