Advertisements
Advertisements
प्रश्न
State four features of flowers pollinated by insects.
उत्तर
1. Flowers large and brightly coloured.
2. Pollen grains covered with pollen kit, rough and sticky.
3. Sepals and petals well developed.
4. Nectar gland present.
APPEARS IN
संबंधित प्रश्न
Explain the post-pollination events leading to seed production in angiosperms.
Make a list of any three outbreeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.
State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets.
Dahlia_______ .
When maturation time of reproductive parts in a flower is different.
Answer the following question.
Write the difference in the characteristics of the progeny produced as a result of the two processes.
Put a tick mark (✓) against the correct alternative in the following statements
Pollen is produced in the
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 |
Correct definition of pollination is ______
Choose the correct statement from the following:
Briefly discuss any two methods by which plants avoid self-pollination.
