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प्रश्न
What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?
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उत्तर
The cuticle is present on the surface of leaves. It helps prevent the loss of water. The cuticle is absent in the roots.
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संबंधित प्रश्न
Explain the structure of stomata with a labelled diagram.
In Gymnosperms, the activity of sieve cells are controlled by ______.
Grafting is successful in dicots but not in monocots because the dicots have ______.
Specialised epidermal cells surrounding the guard cells are called
Cuticle is secreted from
Trichomes are ______.
Match the following and choose the correct option from below
| Column I | Column II |
| A. Cuticle | i. Guard cells |
| B. Bulliform cells | ii. Single layer |
| C. Stomata | iii. Waxy layer |
| D. Epidermis | iv. Empty colourless cell |
Identify the simple tissue system from the following.
Below is a list of plant fibres. From which part of the plant these are obtained
Cotton
Epidermal cells are often modified to perform specialized functions in plants. Name some of them and the function they perform.
Plants require water for their survival. But when watered excessively, plants die. Discuss.
The stomatal pore is guarded by two kidney shaped guard cells. Name the epidermal cells surrounding the guard cells. How does a guard cell differ from an epidermal cell? Use a diagram to illustrate your answer.
Distinguish between the following:
Stem hair and root hair
What is the stomatal apparatus?
In the given figure, which component has thin outer walls and highly thickened inner walls?
