Which of the following is the living element of xylem -

Options

A. Fibre
B. Parenchyma
C. Tracheid
D. Vessel

Answer

**Step-by-Step Solution:**

1. **Understanding Xylem Composition:**
- Xylem is a complex tissue in plants responsible for the transport of water and nutrients. It consists of various types of cells.

2. **Identifying the Components of Xylem:**
- The main components of xylem include:
- Xylem vessels
- Xylem tracheids
- Xylem parenchyma
- Xylem fibers

3. **Determining Living vs. Dead Elements:**
- Among these components:
- Xylem vessels and tracheids are primarily dead cells that facilitate water transport.
- Xylem fibers are also dead and provide structural support.
- The only living component of xylem is the xylem parenchyma.

4. **Function of Xylem Parenchyma:**
- Xylem parenchyma cells are living cells that not only help in the conduction of water but also serve as storage tissues for starch and other substances.

5. **Conclusion:**
- Therefore, the living element of xylem is the **xylem parenchyma**.

**Final Answer:**
- The living element of xylem is **Xylem Parenchyma**.

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