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Question

Selective uptake of ions is ensured at the level of:

Options

Choose one · Correct answer highlighted

Explanation

Endodermis (C) is correct here. This is core WATER TRANSPORT: once you know the definition or pathway step, Endodermis is the clear fit. The wrong ones are A) Epidermis; B) Cortex; D) Pericycle. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.