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Question

Macronutrients are required approximately in:

Options

Choose one · Correct answer highlighted

Explanation

1000 mg/kg dry matter (C) is correct here. This is core MINERAL Transport: once you know the definition or pathway step, 1000 mg/kg dry matter is the clear fit. The wrong ones are A) 100 mg/kg dry matter; B) 10 mg/kg dry matter; D) 1 mg/kg dry matter. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.