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प्रश्न
Describe an experiment to prove that transpiration occurs more from the lower surface of a leaf.
संक्षेप में उत्तर
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उत्तर
An experiment to prove that transpiration occurs more from the lower surface of a leaf :
- Take a potted plant.
- Place two Cobalt chloride papers on either side of a leaf of the potted plant with the help of two glass slides .
- Keep the plant in sunlight.
- After sometime it is observed that the cobalt chloride paper on the lower side of the leaf changed its colour to pinkish than the upper side . This shows that rate of transpiration is more on the lower surface of a leaf .
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