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प्रश्न
What is the difference between lenticels and stomata?
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उत्तर
| Lenticels | Stomata |
| (i) These are formed due to loosening of the epidermal and cortical tissue. | (i) Stomata are specialized epidermal cells. |
| (ii) Lenticels are usually found in the stem. | (ii) Stomata are usually found on the surface of leaves. |
| (iii) Guard cells are absent. | (iii) Guard cells are present |
| (iv) The opening of lenticels is not regulated. | (iv) Opening of stomata is regulated. |
| (v) Facilitates removal of waste | (v) Facilitates exchange of gases. |
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संबंधित प्रश्न
Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain.
What is periderm? How does periderm formation take place in dicot stem?
Cork cambium cuts off cells on the inner side to form ______ and on the outer side to form ______.
Cork cambium gives rise to
Match List - I with List - II.
| List - I | List - II | ||
| (a) | Lenticels | (i) | Phellogen |
| (b) | Cork cambium | (ii) | Suberin deposition |
| (c) | Secondary cortex | (iii) | Exchange of gases |
| (d) | Cork | (iv) | Phelloderm |
Choose the correct answer from the options given below.
Interfascicular cambium and cork cambium are formed due to ______.
Phellogen and Phellem respectively denote ______.
When we peel the skin of a potato tuber, we remove ______.
Give one basic functional difference between phellogen and phelloderm.
Arrange the following in the sequence you would find them in a plant starting from the periphery – phellem, phellogen, phelloderm.
If one debarks a tree, what parts of the plant is being removed?
What is the commercial source of cork? How is it formed in the plant?
