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Question
Which of the following processes are responsible for absorption of water by roots?
Which of the following processes are responsible for absorption of water by roots?
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Solution
The correct options are
A Osmosis
C Transpirational pull
Osmosis is the movement of water from a region of higher concentration to a region of lower concentration. The concentration of water in root hair is less than the concentration of water in the soil. So the water molecules from the soil move into the root hair through osmosis.
Not all the water absorbed by the root is utilised by the plant. The water evaporates through the stomata present on the leaves. This process is called transpiration. The evaporation of water from leaves generates a suction pull which help the roots to absorb more water.
A Osmosis
C Transpirational pull
Osmosis is the movement of water from a region of higher concentration to a region of lower concentration. The concentration of water in root hair is less than the concentration of water in the soil. So the water molecules from the soil move into the root hair through osmosis.
Not all the water absorbed by the root is utilised by the plant. The water evaporates through the stomata present on the leaves. This process is called transpiration. The evaporation of water from leaves generates a suction pull which help the roots to absorb more water.
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