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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
Lever mechanism of pollination is observed in
- Salvia
- Jasmine
- Bougainvillea
- Butea
What are chasmogamous flowers?
Complete the following chart and rewrite.
| Sr.No. | Agencies | type of pollination |
| 1 | Water | .................... |
| 2 | ........................... | Entomophily |
| 3 | Bat | .................... |
| 4 | ....................... | Ornithophily |
(Or)
Explain outbreeding devices in angiospermic plants.
Describe the advantages and disadvantages of cross-pollination to the plant.
Put a tick mark (✓) against the correct alternative in the following statements
Pollen is produced in the
Write different modes of pollination in detail with suitable examples.
For which of the following attractants and rewards are required?
The flower which does not open at all are called ______.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
Name the following:
Aquatic plants which are anemophilous.
