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प्रश्न
Complete the following sentence with appropriate word:
95% of the total transpiration takes place through ________.
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उत्तर
95% of the total transpiration takes place through Stomata.
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संबंधित 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?
State the functions of guard cells.
The figure below represents the vertical section of a leaf:

(i) Name the parts labeled 1 to 5.
(ii) What do the two arrows (dotted and solid) indicate in the day time and at night?
(iii) Could you add one more arrow in the figure? If yes, what for?
(iv) How many leaf veins have been shown in this section?
Draw a labeled diagram of the stomatal apparatus and label the following in it: Stoma, Guard cells, Chloroplast, Epidermal cells, and Cell wall.
Name the following:
A plant having sunken stomata.
Complete the following sentence with appropriate word:
Openings found on the undersurface of the dorsiventral leaf are ___________.
When guard cells are flaccid, the stoma must be ______.
Give a reason/suitable explanation.
More transpiration occurs from the under surface of a dicot leaf.
