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प्रश्न
In a tall tree, which force is responsible for pulling water and minerals from the soil?
पर्याय
Gravitational force
Transportation force
Suction force
Conduction force
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उत्तर
Suction force
Explanation:
The root cells absorb water and mineral salts continuously from the soil. The evaporation of water from the leaf surfaces during the process of transpiration produces a suction force (transpiration pull) that causes the water to move upwards.
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संबंधित प्रश्न
What are the components of the transport system in highly organised plants?
The xylem in plants is responsible for ______.
How do plants absorb water? Explain.
When any dry plant material is kept in water, they swell up. Name and define the phenomenon involved in this change.
The site of photosynthesis in the cells of a leaf is ____________.
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?
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 |
We need to water the soil in plants on a regular basis but it ultimately reaches the leaves of the plant. Explain how this takes place.
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 | (c) Drosera |
