Advertisements
Advertisements
प्रश्न
At which stage pollen grains are shed from the anther in Angiosperms?
Advertisements
उत्तर
At the two-celled stage, pollen grains are shed from the anther in Angiosperms.
APPEARS IN
संबंधित प्रश्न
Lever mechanism of pollination is observed in
- Salvia
- Jasmine
- Bougainvillea
- Butea
List the different types of pollination depending upon the source of pollen gain.
What is the bagging technique?
- Nucellus
- Antipodals
- Synergids
- Micropyle
What is a flower? Draw a typical flower and label its different parts.
What are the adaptations which are required in self-pollinated plants?
What are the different adaptations shown by bird-pollinated flowers?
Give an account of any two biotic agents for pollination along with their adaptations.
Choose the correct statement from the following.
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 |
