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Statement A: Mass flow of substances is driven by pressure gradient.
Statement B: Mass flow through xylem of plant is driven by positive pressure gradient

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A and B statements are correct

Only statement B is correct

Only statement A is correct

Both A and B statements are incorrect

answer is C.

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Detailed Solution

Mass flow or bulk flow of substances through vascular tissues is driven by pressure gradients. Phloem transport is driven by positive pressure gradient and xylem transport by negative pressure gradient.

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