Which of the following facts proves that the | vedclass

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(D) The translocation of organic solutes through the phloem can be proven by several experimental evidences:$1$. Girdling or Ringing Experiment: Remov

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All of the above

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(D) The translocation of organic solutes through the phloem can be proven by several experimental evidences:$1$. Girdling or Ringing Experiment: Removing a ring of bark (including phloem) from the stem causes accumulation of food above the ring,proving phloem is the pathway.$2$. Structure of Phloem: The presence of sieve tubes with perforated end walls (sieve plates) is structurally adapted for the longitudinal transport of sap.$3$. Chemical Analysis: Analysis of phloem sap (obtained via aphid stylets) shows a high concentration of sucrose and other organic nutrients,confirming its role in transport.

Which of the following facts proves that the translocation of materials occurs through the phloem?

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