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Question

A plant wilts when turgor pressure becomes:

Options

Choose one · Correct answer highlighted

Explanation

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