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प्रश्न
When any dry plant material is kept in water, they swell up. Name and define the phenomenon involved in this change.
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उत्तर
The swelling up is due to Imbibition. Imbibition is a type of diffusion in which a solid absorbs water and gets swelled up. If Imbibition were not there, seedlings would not have been able to emerge out of the soil.
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संबंधित प्रश्न
What are the components of the transport system in highly organised plants?
Why is transport of materials necessary in a plant or in an animal? Explain.
Does transpiration serve any useful function in the plants? Explain.
What substance/substances are transported in plants by:
xylem vessels and tracheids?
What is the need of special tissues or organs for transport of substances in plants and animals?
The process of carrying food from the leaves to other parts of a plant is called:
Match the following.
| 1. Symplastic pathway | (a) Leaf |
| 2. Transpiration | (b) Plasmodesmata |
| 3. Osmosis | (c) Pressure in xylem |
| 4. Root Pressure | (d) Pressure gradient |
How do plants absorb water? Explain.
How do leaves of plants help in excretion?
Match the pairs.
| Group ‘A’ | Group ‘B’ | ||
| (1) | Parasitic plant | (a) | Mushroom |
| (2) | Insectivorous plant | (b) | Lichen |
| (3) | Saprophytic plant | (c) | Drosera |
| (4) | Symbiotic plant | (d) | Cuscuta |
