Beri-beri,Scruvy and Rickets are respectively caused by

Options

A. `B_1` D and C
B. `B_1 ` C and D
C. D,`B_1 and A`
D. A ,D and C

Answer

To answer the question about the diseases beriberi, scurvy, and rickets, we need to identify the vitamins whose deficiencies cause these conditions.

### Step-by-Step Solution:

1. **Identify Beriberi**:
- Beriberi is a disease caused by the deficiency of Vitamin B1 (thiamine).
- It affects the nervous system and can lead to symptoms such as weakness, pain, and cardiovascular issues.

2. **Identify Scurvy**:
- Scurvy is caused by a deficiency of Vitamin C (ascorbic acid).
- This vitamin is essential for collagen synthesis, and its deficiency leads to symptoms such as bleeding gums, weakness, and anemia.

3. **Identify Rickets**:
- Rickets is caused by a deficiency of Vitamin D.
- This vitamin is crucial for calcium absorption in the body, and its deficiency can lead to weakened bones and skeletal deformities in children.

4. **Summarize the Findings**:
- Therefore, we can summarize the causes of the diseases as follows:
- Beriberi is caused by Vitamin B1 deficiency.
- Scurvy is caused by Vitamin C deficiency.
- Rickets is caused by Vitamin D deficiency.

5. **Final Answer**:
- The correct order of the diseases and their respective vitamin deficiencies is:
- Beriberi - Vitamin B1
- Scurvy - Vitamin C
- Rickets - Vitamin D

### Conclusion:
The answer to the question is that beriberi is caused by Vitamin B1 deficiency, scurvy by Vitamin C deficiency, and rickets by Vitamin D deficiency.