Water soluble vitamins are

Options

A. Vitamin-C
B. Vitamin-D
C. Vitamin-A
D. Vitamin-K

Answer

**Step-by-Step Solution:**

1. **Understanding Vitamins**: Vitamins are organic compounds that are essential for various bodily functions and are required in trace amounts. They play crucial roles in cellular processes.

2. **Classification of Vitamins**: Vitamins are classified based on their solubility into two main categories: fat-soluble and water-soluble vitamins.

3. **Identifying Fat-Soluble Vitamins**: The fat-soluble vitamins include:
- Vitamin A
- Vitamin D
- Vitamin E
- Vitamin K

4. **Identifying Water-Soluble Vitamins**: The water-soluble vitamins include:
- Vitamin B1 (Thiamine)
- Vitamin B2 (Riboflavin)
- Vitamin B3 (Niacin)
- Vitamin B5 (Pantothenic acid)
- Vitamin B6 (Pyridoxine)
- Vitamin B7 (Biotin)
- Vitamin B9 (Folic acid)
- Vitamin B12 (Cobalamin)
- Vitamin C (Ascorbic acid)

5. **Analyzing the Given Options**: The question provides the following options:
- Vitamin C
- Vitamin D
- Vitamin E
- Vitamin K

6. **Determining the Water-Soluble Vitamin**: Among the listed options, Vitamin C (Ascorbic acid) is the only water-soluble vitamin. The others (Vitamin D, E, and K) are fat-soluble.

7. **Conclusion**: Therefore, the correct answer to the question "Water soluble vitamins are" is Vitamin C.

**Final Answer**: Vitamin C

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