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Question
Ringing experiment was performed on
Ringing experiment was performed on
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Solution
The correct option is C Indian telegraph plant
The ringing experiment was performed on Indian telegraph plant. The main aim of this ringing Experiment was to find out whether, the xylem or phloem tissue is involved in translocation, it is possible to remove the cortex and phloem of the stem in the form of a girdle. If the xylem is involved in the transportation, the roots found below the ring should not suffer because the xylem is intact in this experiment. But in this experiment, roots suffer temporarily because; they don’t get an adequate supply of food material, for phloem and cortex are removed. So the food material accumulates at the edge of the ring and with time this region swells into a ridge. This experiment suggests that phloem elements are involved in the translocation of food materials.
The ringing experiment was performed on Indian telegraph plant. The main aim of this ringing Experiment was to find out whether, the xylem or phloem tissue is involved in translocation, it is possible to remove the cortex and phloem of the stem in the form of a girdle. If the xylem is involved in the transportation, the roots found below the ring should not suffer because the xylem is intact in this experiment. But in this experiment, roots suffer temporarily because; they don’t get an adequate supply of food material, for phloem and cortex are removed. So the food material accumulates at the edge of the ring and with time this region swells into a ridge. This experiment suggests that phloem elements are involved in the translocation of food materials.
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