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Questions and Answers
What is the principal function of sclerenchyma tissue?
What is the principal function of sclerenchyma tissue?
Which type of sclerenchyma cell is usually very long and narrow with tapered and sometimes branched ends?
Which type of sclerenchyma cell is usually very long and narrow with tapered and sometimes branched ends?
What type of collenchyma is formed by cells with thickened secondary cell walls, lignified or not?
What type of collenchyma is formed by cells with thickened secondary cell walls, lignified or not?
What are sclereids?
What are sclereids?
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From which tissue system is the outermost layer or covering of the plant body derived?
From which tissue system is the outermost layer or covering of the plant body derived?
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Study Notes
Sclerenchyma Tissue
- Principal function is to provide structural support and strength to plant organs.
- Composed of dead cells at maturity, contributing to rigidity.
Types of Sclerenchyma Cells
- Fibers are the long, narrow sclerenchyma cells with tapered, sometimes branched ends.
- Fibers play a significant role in the tensile strength of plants.
Types of Collenchyma
- Angular collenchyma is formed by cells with thickened secondary cell walls, which may or may not be lignified.
- This type helps in providing flexibility and support to young plant organs.
Sclereids
- Sclereids are a type of sclerenchyma cell, typically short and variable in shape.
- They contribute to the hardness of seed coats and nutshells.
Tissue System Origin
- The outermost layer or covering of the plant body, known as the epidermis, is derived from the dermal tissue system.
- This layer serves as protection and helps in the regulation of gas exchange.
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Description
Test your knowledge of plant tissues with this quiz on Sclerenchyma cells. Identify different types such as angular, tangential, annular, and lacunar collenchyma and learn about their functions and characteristics.
