Calcium deficiency occurs in the absence of vitamin

Options

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

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which vitamin deficiency leads to calcium deficiency. We need to identify the vitamin that plays a crucial role in calcium metabolism.

2. **Identifying the Vitamins**: The options given are:
- A) Vitamin D
- B) Vitamin B
- C) Vitamin C
- D) Vitamin E

3. **Role of Vitamin D**: Vitamin D is known to be essential for calcium absorption in the intestines. It helps regulate calcium levels in the blood and promotes the absorption of calcium from the diet.

4. **Consequences of Vitamin D Deficiency**: If there is a deficiency of vitamin D, the body cannot absorb calcium effectively from the intestine. This leads to a decrease in calcium levels in the blood.

5. **Calcium Excretion**: In the absence of sufficient vitamin D, the body may also excrete more calcium through urine, further contributing to calcium deficiency.

6. **Conclusion**: Based on the information, the vitamin whose deficiency leads to calcium deficiency is Vitamin D.

7. **Final Answer**: Therefore, the correct answer is A) Vitamin D.

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