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Question
Why the cells of sclerenchyma and tracheids become dead?
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Solution
The cells of sclerenchyma and tracheids become dead because they lack protoplasm.
RELATED QUESTIONS
Identify the type of tissue in the vascular bundle.
Write a short note on sclerenchyma.
Distinguish between xylem and phloem.
Distinguish between tracheids and vessels.
What is the differences between collenchyma and sclerenchyma?
What is simple tissue? Classify and explain its different types with suitable diagram.
Identify the odd word and explain why it is odd.
Differentiate between cells of Meristematic tissue and Permanent tissue
Study the diagram given below and then answer the question that follows:

State the function of the parts labelled 1, 2, 3 and 4.
What is a permanent tissue?
Define the following:
Permanent tissue
Give the structure and function of the following:
Sclerenchyma
Give the structure and function of the following:
Collenchyma
Give the structure and function of the following:
Crystal
Give the structure and function of the following:
Phloem
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Parenchyma | (i) | Thin walled, packing cells |
| (b) | Photosynthesis | (ii) | Carbon fixation |
| (c) | Aerenchyma | (iii) | Localized thickenings |
| (d) | Collenchyma | (iv) | Buoyancy |
| (e) | Permanent tissue | (v) | Sclerenchyma |
Name the two types of sclerenchyma cells.
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 |
