Beri-beri is caused by the deficieny of vitamin

Options

A. `B_(1)`
B. `B_(2)`
C. `B_(6)`
D. `B_(12)`

Answer

**Step-by-Step Solution:**

1. **Identify the Vitamin Deficiency:** The question asks about the deficiency that causes Beri-beri. Beri-beri is a disease that is primarily associated with a lack of certain nutrients.

2. **Research the Cause of Beri-beri:** Beri-beri is specifically caused by a deficiency of Vitamin B1, also known as thiamine. This vitamin is crucial for carbohydrate metabolism and the proper functioning of the nervous system.

3. **Confirm the Vitamin:** To confirm, we can check the symptoms and effects of Beri-beri, which include neurological and cardiovascular issues. These symptoms are directly linked to the lack of thiamine in the diet.

4. **Conclusion:** Therefore, the deficiency of Vitamin B1 (thiamine) is the cause of Beri-beri.

**Final Answer:** Beri-beri is caused by the deficiency of Vitamin B1 (thiamine).

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