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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
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?
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 substance/substances are transported in plants by:
xylem vessels and tracheids?
How do plants absorb water? Explain.
The site of photosynthesis in the cells of a leaf is ____________.
Why is transpiration important for plants?
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
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 |
