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प्रश्न
Very short answer type question:
What is hydrophily?
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उत्तर
Pollination carried out by water is called hydrophily.
APPEARS IN
संबंधित प्रश्न
Make a list of any three outbreeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.
Differentiate between the following:
Self pollination and cross pollination.
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.
Name of the parts of the ovary which give rise to:
Fruit wall ______
State four features of flowers pollinated by insects.
Answer the following question.
Express the process of pollination in Vallisneria.
- Nucellus
- Antipodals
- Synergids
- Micropyle
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 |
Which type of pollination involves the transfer of pollen between different plants of the same species?
Autogamy refers to which type of pollination process?
