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प्रश्न
Describe any three adaptations in hydrophilous flowers.
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उत्तर
- Flowers are small and inconspicuous.
- Perianth and other floral parts are unwettable.
- Pollen grains are long and unwettable due to the presence of mucilage.
- Nectar and fragrance are lacking in flowers.
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संबंधित प्रश्न
Enlist advantages and disadvantages of cross pollination
When maturation time of reproductive parts in a flower is different.
Give one word/term for the following:
Pollination of flowers by birds.
Describe the advantages and disadvantages of cross-pollination to the plant.
The question has four options. Choose the correct answer:
Pollination by insect is known as
What are the different adaptations shown by bird-pollinated flowers?
Which one of these statements is incorrect?
The following statements seem to describe the water-pollinated submerged plants.
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 |
A botanist studying Viola (common pansy) noticed that one of the two flower types withered and developed no further due to some unfavorable condition, but the other flower type on the same plant survived and it resulted in an assured seed set. Which of the following will be correct?
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
