A wheat variety, Atlas 66, which has been used as a donor for improving cultivated wheat is rich in

Options

A. iron
B. carbohydrates
C. proteins
D. vitamins.

Explanation

**Step-by-Step Solution:**

1. **Identify the Wheat Variety**: The question mentions a specific wheat variety, Atlas 66. This is important as it indicates that we are looking for specific traits associated with this variety.

2. **Understand the Purpose of Atlas 66**: Atlas 66 has been used as a donor for improving cultivated wheat. This means that it possesses certain desirable traits that can be transferred to other wheat varieties.

3. **Evaluate the Options**: The options provided are iron, carbohydrates, proteins, and vitamins. We need to determine which of these is abundant in Atlas 66.

4. **Research Atlas 66**: Atlas 66 is known for its high protein content. It has been developed through selective breeding to enhance its nutritional value, particularly in terms of protein.

5. **Analyze the Other Options**:
- Iron: While iron is an important nutrient, Atlas 66 is not specifically noted for its iron content.
- Carbohydrates: This is a common component of all wheat varieties, but Atlas 66 is not particularly known for being rich in carbohydrates compared to other varieties.
- Vitamins: Similar to iron, while vitamins are essential, Atlas 66 is not recognized for its vitamin content.

6. **Conclusion**: Since Atlas 66 is specifically noted for being rich in proteins, the correct answer to the question is "proteins."

**Final Answer**: Atlas 66 is rich in proteins.

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