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प्रश्न
In a tall tree, which force is responsible for pulling water and minerals from the soil?
विकल्प
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 ______.
Water absorption through roots can be increased by keeping the plants ______.
Why is transport of materials necessary in a plant or in an animal? Explain.
What is the other name of main vein?
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.
The site of photosynthesis in the cells of a leaf is ____________.
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.
