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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
The xylem in plants is responsible for ______.
Does transpiration serve any useful function in the plants? Explain.
What is the other name of main vein?
The phloem is responsible for the translocation of food.
How do plants absorb water? Explain.
Plants use the energy stored in ATP to accomplish the process of transportation of:
Assertion: Resins and gums are stored in old xylem tissue in plants.
Reason: Resins and gums facilitate transport of water molecules.
How do leaves of plants help in excretion?
These consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
Assertion: Amphibians can tolerate mixing of oxygenated and deoxygenated blood.
Reason: Amphibians are animals with two chambered heart
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 |
