Which is essential for the growth of root tip ?

Options

A. Zn
B. Fe
C. Ca
D. Mn

Answer

**Step-by-Step Solution:**

1. **Identify the Question:** The question asks which nutrient is essential for the growth of the root tip.

2. **Review the Options:** The options provided are:
- A) Zinc
- B) Iron
- C) Calcium
- D) Manganese

3. **Understand the Role of Nutrients:**
- Each nutrient plays a different role in plant growth and development.
- Calcium is known to be involved in cell wall structure and stability.

4. **Focus on Calcium:**
- Calcium is present in the cell walls of plants as calcium pectate.
- It plays a crucial role in maintaining the integrity of the cell wall.

5. **Calcium's Role in Cell Division:**
- Calcium is also important in the formation of the mitotic spindle during cell division.
- This is particularly relevant in areas of rapid growth, such as root tips.

6. **Consequences of Calcium Deficiency:**
- A deficiency in calcium can lead to necrosis in young meristematic regions, including root and leaf tips.
- This indicates that calcium is vital for the proper functioning and growth of these areas.

7. **Conclusion:**
- Based on the information, it is clear that calcium is essential for the growth of root tips.
- Therefore, the correct answer is **C) Calcium**.

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