Advertisements
Advertisements
प्रश्न
With the help of a suitable example, explain protandry.
Advertisements
उत्तर
In this type, androecium matures earlier than the gynoecium, e.g., in the disc florets of sunflowers.
APPEARS IN
संबंधित प्रश्न
Lever mechanism of pollination is observed in
- Salvia
- Jasmine
- Bougainvillea
- Butea
What is meant by emasculation?
Fill in the blanks with suitable words.
_______ is a water-pollinated flower.
Differentiate Between Cross Pollination and Self Pollination:
Feathery stigma occurs in ______.
Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.
In some plants anther and stigma mature at the same time this condition is called ______.
Which type of flower has ovary superior?
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 |
In which one of the following pollination is autogamous?
