Seed Dispersal
Seed Dispersal
Seed Dispersal:
Once the seeds are produced, it becomes necessary that they should be dispersed to different places to produce new plants. If all the seeds fall off just underneath the parent plant, there would be competition for food, water, minerals, light and space. As a result, seeds may not grow as healthy plants or they may die due to scarcity of essential conditions for germination. To avoid this competition, the fruits and seeds are carried away to distant places normally by wind, water and animals or by their own fruit explosion mechanism.
Dispersal by Wind: Seeds and fruits dispersed by wind are small and light. These seeds and fruits have following features:
Seed dispersal is the movement, spread or transport of _______away from the parent plant. | |||
| Right Option : C | |||
| View Explanation | |||
Fruits of some trees like ______________________ become flattened and light to be blown away by air. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct ? (a) Seeds and fruits that are dispersed by wind are small and light. (b) Some seeds have wings which help them in their dispersal. For example, the seeds of Aloe Vera and apple. (c) The seeds of Madar have tufts of hair that can be carried away easily by the wind. | |||
| Right Option : C | |||
| View Explanation | |||
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