Biology, asked by sarw8almithistavark, 1 year ago

explain Munch's mass flow hypothesis with merit and demerit

Answers

Answered by sharinkhan
13
According to the Munch's Mass flow hypothesis, the turgor pressure makes the phloem sap to move from sugar sources to sugar sinks. 

Merit: The hypothesis is supported by the fact that liquid do comes out of the phloem when a branch is cut

Demerit: He does not account for different speeds of different substances and considered all the phloem as same. 
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