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प्रश्न
Name the following:
openings on the stem through which transpiration occurs.
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उत्तर
Lenticels
संबंधित प्रश्न
Name the following:
Any two parts of a leaf which allow transpiration.
The diagram below represents a structure found in a leaf.

Study the same and answer the questions that follow:
(i) Name the pis labeled A and B.
(ii) What is the biological term for the above structure?
(iii) What is the function of the part labeled A?
(iv) Mention two structural features of A, which help in the function mentioned in (iii) above.
(v) Where is this structure likely to be found in a leaf?
(vi) The above structure helps in the process of transpiration. Explain the term transpiration.
(vii) How many other cells are found surrounding this structure as seen in the diagram?
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?
Given below are the diagrams of a certain structure in plants in two conditions.

(i) Name the structure shown.
(ii) Name the parts numbered 1-5.
(iii) What is the most apparent difference between A and B in the structure shown?
(iv) Describe the mechanism which brings about the change in the structure depicted in A and B.
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.
Complete the following sentence with appropriate word:
Openings found on the undersurface of the dorsiventral leaf are ___________.
State the Location:
Stomata
Write the functional activity of the following structure:
Stomata
Suppose you have a rose plant growing in a pot, how will you demonstrate transpiration in it?
Give a reason/suitable explanation.
Leaves of some plants wilt during midday and recover in the evening.
