Beri-Beri disease is due to the deficiency of vitamin

Options

A. A
B. C
C. D
D. B

Answer

**Step-by-Step Solution:**

1. **Identify the Disease**: The question asks about Beri-Beri disease.

2. **Understand the Cause**: Beri-Beri disease is known to be caused by a deficiency of a specific vitamin.

3. **Determine the Vitamin**: The vitamin associated with Beri-Beri disease is part of the B-complex vitamins.

4. **Specify the Vitamin**: Among the B vitamins, Beri-Beri is specifically linked to the deficiency of Vitamin B1, also known as Thiamine.

5. **Recognize Symptoms**: The deficiency of Vitamin B1 can lead to symptoms such as fatigue, irritability, and severe effects on the nerves, muscles, heart, and brain.

6. **Conclude the Answer**: Therefore, the correct answer is that Beri-Beri disease is due to the deficiency of Vitamin B1.

**Final Answer**: Beri-Beri disease is due to the deficiency of Vitamin B1.

---