Essential oils are abundantly present in

Options

A. Primary xylem
B. Early wood
C. Heart wood
D. Sap wood

Answer

**Step-by-Step Solution:**

1. **Understanding Essential Oils**: Essential oils are concentrated plant extracts that retain the natural smell and flavor, or "essence," of their source. They are commonly found in various parts of plants, including leaves, fruits, bark, roots, and wood.

2. **Analyzing the Options**: The question provides four options: primary xylem, early wood, hardwood, and sapwood. We need to determine which of these contains essential oils abundantly.

3. **Eliminating Primary Xylem**: Primary xylem is primarily responsible for the transportation of water and minerals in plants. It does not serve as a significant source of essential oils. Therefore, we can eliminate this option.

4. **Comparing Early Wood and Sapwood**: Both early wood and sapwood are involved in the transport of water and nutrients, and they do not typically contain essential oils. Thus, these options can also be eliminated.

5. **Identifying Hardwood**: Hardwood, on the other hand, is known for its density and structure. It is often associated with the presence of essential oils, particularly in certain species of trees. Therefore, hardwood is likely to be the correct answer.

6. **Conclusion**: Based on the analysis, the correct answer is that essential oils are abundantly present in hardwood.

**Final Answer**: Hardwood

---