Entry of mineral ions in plant root cells by diffusion is

Passive absorption

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Active absorption

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Osmosis

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Endocytosis

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Solution

The correct option is A Passive absorption
Diffusion and osmosis both always occur in the direction of the concentration gradient and are passive modes. Osmosis term is used for transport of solvent only whereas transport of ions or solvent or gas all are described by the term diffusion. Active transport requires energy expenditure.
So, the correct answer is option A.

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Mineral ions diffuse out of the xylem vessels at the fine vein ending and are passively taken up by the cells.

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