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Transport of organic solutes is supposed to take place by pres
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Medium
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Solving time: 3 mins

Transport of organic solutes is supposed to take place by pressure flow hypothesis through phloem tissue from source to sink. Choose the false statement about vascular tissue transport

A
Phloem transport mainly water and sucrose but other sugars, hormone and aminoacids are also transported

B
Water enters into the sieve tube by the process of osmosis

C
Water and solute move through the sieve tube along the pressure gradient

D
Sieve tube in the source have a low turgor pressure (pressure potential)

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Text SolutionText solutionverified iconVerified

Translocation of organic nutrients by phloem can be explained accurately by pressure flow model of Munch. According to the model, the source region always shows higher osmotic concentration. Sieve tube with loaded organic food absorb water from nearby xylem and develop a higher turgor pressure. Movement of organic food occur from an area of higher turgor pressure to a region of lower turgor pressure.
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Question Text
Transport of organic solutes is supposed to take place by pressure flow hypothesis through phloem tissue from source to sink. Choose the false statement about vascular tissue transport
TopicTransport in Plants
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes74