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प्रश्न
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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संबंधित प्रश्न
What are stomata?
Fill in the blank:
Water is lost from the leaves by__________.
Name the process by which water loss takes place through the leaves.
Give suitable explanation for the following:
On a bright sunny day, the leaves of certain plants roll up.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
Would it make a difference if the experimental set-up is kept in bright sunshine?
Name the cell that surrounds the stoma.
______ involves evaporative loss of water from aerial parts.
What causes the opening and closing of guard cells of stomata during transpiration?
Give the importance of transpiration?
Do different species of plants growing in the same area show the same rate of transpiration at a particular time? Justify your answer.
