Which of the following is not correct in mass flow hypothesis (A) Loading of phloem sets up a wa...

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Which of the following is not correct in mass flow hypothesis
(A) Loading of phloem sets up a water potential gradient that facilitates the mass movement in phloem
(B) The sugar which is transported is sucrose
(C) The sugar is moved bidirectionally
(D) As hydrostatic pressure in phloem sieve tube increases, pressure flow stops and sap accumulates in phloem.
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