Blindness prevented by use of which crop in poor country?

Options

A. Golden rice
B. Wheat
C. Maize
D. Oat

Answer

**Step-by-Step Solution:**

1. **Identify the Problem:**
- The question asks about a crop that prevents blindness in poor countries, specifically related to night blindness.

2. **Understand Night Blindness:**
- Night blindness is often caused by a deficiency in vitamin A, which is crucial for maintaining healthy vision.

3. **Identify the Crop:**
- The crop that has been developed to combat vitamin A deficiency is known as "Golden Rice."

4. **Characteristics of Golden Rice:**
- Golden Rice is a genetically modified variety of rice (Oryza sativa) that has been engineered to contain high levels of beta-carotene, which the body can convert into vitamin A.

5. **Impact of Golden Rice:**
- By providing a source of beta-carotene, Golden Rice helps to alleviate vitamin A deficiency, thereby preventing night blindness and improving overall eye health.

6. **Conclusion:**
- The correct answer to the question is Golden Rice, as it is specifically designed to combat the deficiencies that lead to night blindness in poor countries.

**Final Answer:**
- Golden Rice

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