Which of the element is required in larger amounts in comparison to other micronutrients. It is an important constituent of proteins like ferredoxin and cytochromes

Options

A. Boron
B. Molybdenum
C. Copper
D. Iron

Explanation

**Step-by-Step Solution:**

1. **Identify the Types of Nutrients:**
- Nutrients are classified into two main categories: macronutrients and micronutrients.
- Macronutrients are required in larger quantities, while micronutrients are needed in smaller amounts.

2. **Focus on Micronutrients:**
- The question specifically asks about micronutrients that are required in larger amounts compared to others.

3. **Determine the Key Micronutrient:**
- Among the micronutrients, iron is recognized as the one that is required in larger amounts compared to other micronutrients.

4. **Understand the Role of Iron:**
- Iron is an essential element that plays a critical role in various biological processes.
- It is a vital component of proteins such as ferredoxin and cytochromes, which are important for electron transport and energy transfer in cells.

5. **Conclude with the Correct Answer:**
- Therefore, the element that is required in larger amounts in comparison to other micronutrients and is an important constituent of proteins like ferredoxin and cytochromes is **Iron**.

**Final Answer: Iron**

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