The diagram given below represents the simple ringing or girdling experiment. Bark containing ph...

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The diagram given below represents the simple ringing or girdling experiment. Bark containing phloem is removed. This experiment proves and justify that phloem is the path for translocation of food. In the given diagram, swollen part of stem has been indicated.

Choose the correct option for the formation of the swollen part of stem.
(a) Accumulation of food material just above the ringing space
(b) Accumulation of minerals and water just above the ringing space
(c) Due to a repairing mechanism
(d) Injured part undergoes turgor change
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