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Define briefly about mass-flow hypothesis

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Define briefly about mass-flow hypothesis

Posted by Riya Pandya 7 years, 11 months ago

CBSE > Class 11 > Biology

2 answers

Deeshika Yadav 7 years, 11 months ago

Firstly sap from leaves is actively transported to phloem 2nd a hypertonic solution is created between xylem&phloem so water is transported to phloem through osmosis. Pressure is created in phloem so water moves from higher concentration to lower concentration Then sap is actively transported to sink &water is transported back to xylem through osmosis So this is mass flow hypothesis

Kiran Kotwal 7 years, 11 months ago

The pressure Flow Hypothesis also known as Mass Flow Hypothesis is the best supported theory to explain the movement of sap through the phloem.

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