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प्रश्न
With the help of a suitable example, explain protandry.
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उत्तर
In this type, androecium matures earlier than the gynoecium, e.g., in the disc florets of sunflowers.
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संबंधित प्रश्न
Describe the structure of its microsporangium.
Can a unisexual flower be self pollinated?
In bisexual flowers, maturation of gynoecium before androecium is known as ______.
Put a tick mark (✓) against the correct alternative in the following statements
Vegetative propagation is not observed in:
What are the different adaptations shown by bird-pollinated flowers?
Give an account of various abiotic agencies used in pollination along with their adaptations for pollination.
Which type of flower has ovary superior?
Autogamy can occur in a chasmogamous flower if ______.
Pollination in water lilies is carried out by ______.
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 | ______ |
