Mass flow hypothesis explains:

Practice MCQ for SSC, UPSC, RRB Exams

A. Water movement in xylem A.
B. Sugar transport in phloem B.
C. Transpiration C.
D. Salt uptake D.

Correct Answer: B সঠিক উত্তর: B

Explanation ব্যাখ্যা

The mass flow hypothesis describes how sugars are transported through the phloem of plants, driven by pressure gradients created by the movement of water into the phloem at regions of high sugar concentration (source) to regions of low concentration (sink).

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