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Which one of the following is not a part...

Which one of the following is not a part of steles ?

A

Pith

B

Vascular bundle

C

Endodermis

D

Pericycle

Text Solution

AI Generated Solution

The correct Answer is:
To determine which option is not a part of steles, we need to understand what steles are and their components. ### Step-by-Step Solution: 1. **Definition of Steles**: Steles are structures found in the central part of plants, primarily composed of different types of tissues. They are important for the transport of water, nutrients, and support. 2. **Components of Steles**: The main components of steles include: - **Pith**: The central part of the stele, which is often involved in storage. - **Vascular Bundles**: These include xylem and phloem, which are responsible for the transport of water and nutrients. - **Pericycle**: A layer of cells that can give rise to lateral roots and is located just inside the endodermis. 3. **Identifying Non-Components**: The question asks for the part that is not included in the steles. - **Endodermis**: This is a layer of cells that surrounds the vascular bundles and is part of the cortex of roots and stems. It is located outside the stele, not within it. 4. **Conclusion**: Since the endodermis is not part of the stele but rather surrounds it, the correct answer is that **endodermis is not a part of steles**. ### Final Answer: The part that is not a part of steles is **endodermis**. ---
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