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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
The xylem in plants is responsible for ______.
Why is transport of materials necessary in a plant or in an animal? Explain.
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 |
The phloem is responsible for the translocation of food.
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.
Assertion: Resins and gums are stored in old xylem tissue in plants.
Reason: Resins and gums facilitate transport of water molecules.
Why is transpiration important for plants?
How do leaves of plants help in excretion?
