Question
For diffusion or osmosis to take place in root cells, ___ is essential.
For diffusion or osmosis to take place in root cells, ___ is essential.
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Solution
The correct option is C difference in solute concentration
For osmosis or diffusion to take place, always a difference in concentration between cell and its surroundings or between two regions is required.
At the roots, cells in contact with the soil actively take up ions. This creates a difference in the concentration of these ions (solute) between the root and the soil. Water, therefore, moves into the root from the soil to eliminate this difference.
difference in solute concentration
For osmosis or diffusion to take place, always a difference in concentration between cell and its surroundings or between two regions is required.
At the roots, cells in contact with the soil actively take up ions. This creates a difference in the concentration of these ions (solute) between the root and the soil. Water, therefore, moves into the root from the soil to eliminate this difference.
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