Xylem in Gymnosperms lacks

Options

A. Tracheids
B. Xylem parenchyma
C. Xylem fibres
D. Vessels.

Answer

**Step-by-Step Solution:**

1. **Understand the Structure of Xylem:**
- Xylem is a type of vascular tissue in plants responsible for the transport of water and minerals from the roots to the rest of the plant. It consists of different types of cells, including tracheids, vessel elements, xylem parenchyma, and xylem fibers.

2. **Identify the Characteristics of Gymnosperms:**
- Gymnosperms are a group of non-flowering plants that produce seeds that are not enclosed in an ovary (hence "naked seeds"). They include conifers like pine and fir trees.

3. **Examine the Xylem Composition in Gymnosperms:**
- In gymnosperms, the xylem primarily consists of tracheids, which are long, narrow cells that facilitate water transport.

4. **Determine What is Lacking in Gymnosperm Xylem:**
- Unlike angiosperms (flowering plants), gymnosperms do not have vessel elements in their xylem. Vessel elements are specialized cells that allow for more efficient water transport and are a key feature of angiosperms.

5. **Conclude the Answer:**
- Therefore, the xylem in gymnosperms lacks vessels. The correct answer to the question is "vessels."

**Final Answer:**
Xylem in Gymnosperms lacks vessels.

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