In adults the deficiency of vitamin D causes `:`

Options

A. Goitre
B. Beri-Beri
C. Scurvy
D. Osteomalacia

Answer

**Step-by-Step Solution:**

1. **Understanding Vitamin D**: Vitamin D is an essential nutrient that plays a crucial role in calcium absorption and bone health. It is important for maintaining strong bones and overall health.

2. **Identifying the Options**: The question presents four options related to vitamin deficiencies:
- Goiter
- Beriberi
- Scurvy
- Osteomalacia

3. **Analyzing Each Option**:
- **Goiter**: This condition is associated with the deficiency of iodine, which affects thyroid hormone production. It is not related to vitamin D.
- **Beriberi**: This disease is caused by a deficiency of vitamin B1 (thiamine). It is unrelated to vitamin D deficiency.
- **Scurvy**: This condition results from a deficiency of vitamin C (ascorbic acid). It does not involve vitamin D.
- **Osteomalacia**: This is a condition characterized by the softening of bones, which occurs due to a deficiency of vitamin D in adults. It leads to weakened bones and increased risk of fractures.

4. **Conclusion**: Based on the analysis, the correct answer to the question "In adults the deficiency of vitamin D causes:" is **Osteomalacia**.

**Final Answer**: Osteomalacia

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