Vitamin `B_(2)` is :

Options

A. ascorbic acid
B. riboflavin
C. thiamine
D. pyridoxine.

Answer

**Step-by-Step Solution:**

1. **Identify Vitamin B2**: Vitamin B2 is commonly known as riboflavin. This is the first and most important piece of information regarding Vitamin B2.

2. **Understand the Function**: Vitamin B2 (riboflavin) plays a crucial role in the body. It helps in the conversion of carbohydrates into fuel (glucose), which is essential for energy production.

3. **Differentiate from Other Vitamins**: It's important to distinguish Vitamin B2 from other vitamins. For instance:
- Vitamin B1 is known as thiamine.
- Vitamin B6 is known as pyridoxine.
- Vitamin C is known as ascorbic acid.

4. **Conclusion**: Based on the information gathered, we can conclude that Vitamin B2 is riboflavin.

**Final Answer**: Vitamin B2 is also known as riboflavin.

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