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प्रश्न
What is the role of epidermis in plants?
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उत्तर
The epidermis is present on the outer surface of the entire plant body. The cells of the epidermal tissue form a continuous layer without any intercellular space. It performs the following important functions:
- It is a protective tissue of the plant body.
- It protects the plant from mechanical injury, parasites and cold or heat.
- It allows the exchange of gases through stomata.
- Greatly increasing the absorptive surface areas for the absorption of water and nutrients.
संबंधित प्रश्न
Identify the type of tissue in the vascular bundle.
Draw a well-labelled diagram of phloem.
Write a short note on sclerenchyma.
Parenchyma containing chloroplasts is known as :
Differentiate between cells of Sclerenchyma and Parenchyma
Study the diagram given below and then answer the question that follows:
Where is this tissue likely to be found in the plant?
Give the structure and function of the following:
Sclerenchyma
Write a short note on peculiarity of a sclerenchyma cell wall.
Match the followings and choose the correct option from below
| Column I | Column II |
| A. Meristem | i. Photosynthesis, storage |
| B. Parenchyma | ii. Mechanical support |
| C. Collenchyma | iii. Actively dividing cells |
| D. Sclerenchyma | iv. Stomata |
| E. Epidermal tissue | v. Sclereids |
In which of the following pairs of parts of a flowering plant is epidermis absent?
