Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong :
Xerophthalmia, Marasmus, Pellagra, Scurvy

Explanation

**Step-by-Step Solution:**

1. **Identify the Terms**: The terms given are Xerophthalmia, Marasmus, Pellagra, and Scurvy.

2. **Define Each Term**:
- **Xerophthalmia**: A condition caused by a deficiency of Vitamin A, leading to dryness and inflammation of the conjunctiva in the eye.
- **Marasmus**: A form of severe malnutrition characterized by energy deficiency. It is not caused by a deficiency of a specific vitamin but rather a lack of overall calories and nutrients.
- **Pellagra**: A disease caused by a deficiency of Vitamin B3 (niacin), resulting in symptoms like skin inflammation, weakness, and sensitivity to sunlight.
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