The cell wall is permeable and not a semipermeable structure can be best deduced from the passage of water and mineral salts from:

Soil into periplasmic space of root hairs

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Root hairs to cortical cells

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Cortical cells to pericycle

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Pericycle to trachea

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Solution

The correct option is A Soil into periplasmic space of root hairs
The cell wall is dead and fully permeable. It cannot regulate the entry of solvent or solute molecules. This fact is established by the accumulation of water and mineral salts in the periplasmic space, which is the space between the cell wall and the cell membrane. If the cell wall was semi or differentially permeable; mineral salts would not have accumulated in the periplasm.
so, the correct answer is 'Soil into periplasmic space of root hairs'

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