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प्रश्न
The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf. Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl2 vials were taken out and weighed again.

What do you mean by transpiration?
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उत्तर
Transpiration is the loss of water in the form of water vapour from the aerial parts (leaves and stem) of the plant.
संबंधित प्रश्न
Draw a labeled diagram of the stomatal apparatus and label the following in it: Stoma, Guard cells, Chloroplast, Epidermal cells, and Cell wall.
Draw a neat diagram of the stomatal apparatus found in the epidermis of leaves and label the Stoma, Guard cells, Chloroplast, Epidermal Cells, cell wall and Nucleus.
State the Location:
Guard cells
Write the functional activity of the following structure:
Stomata
Mark the most appropriate answer in the following:
In the mechanism of opening and closing of stomata, the important factor is
How will you differentiate the different types of transpiration?
Name the following:
The openings on the barks of trees through which transpiration occurs.
When guard cells are flaccid, the stoma must be ______.
Name the three kinds of transpiration.
