Question:
“Girdling Experiment” was performed by plant physiologists to identify the plant tissue through which:
“Girdling Experiment” was performed by plant physiologists to identify the plant tissue through which:
Updated On: May 1, 2026
- Water is transported
- Food is transported
- For both water and food transportation
- Osmosis is observed
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The Correct Option is B
Solution and Explanation
The "Girdling Experiment" is a classic experiment used to understand the role of different plant tissues in the transportation process. Through this experiment, plant physiologists can identify the specific tissue responsible for transporting food within the plant. The process involves removing a ring of bark from around the circumference of a stem or tree, which includes the phloem layer but leaves the xylem intact.
- Phloem Removal: By girdling a plant, the phloem, which normally carries sugars and other organic nutrients, is disrupted.
- Observation: After girdling, if the transport of food (sugars) stops above the girdled point, this indicates that the phloem is responsible for this transportation.
- Conclusion: The experiment confirms that the tissue involved in transporting food in plants is the phloem. This is because, after girdling, you can observe accumulation of sugar solutions above the girdle and depletion below, which aligns with the interrupted downward transport in the phloem.
Thus, the correct answer is: Food is transported.
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Concepts Used:
Mineral Nutrition
The naturally occurring inorganic nutrient found in the soil and food that is necessary for the proper functioning of animal and plant bodies is defined as nutrition. Minerals are vital elements essential for the body.
Read More: Mineral Nutrition
Role of Nutrients:
- Balancing function
- Maintenance of osmotic pressure
- Influencing the pH of the cell sap
- Construction of the plant body
- Catalysis of the biochemical reaction
- Effects of Toxicity