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Match List-I with List-II.
Column I
- A. Vitamin $\text{B}_{12}$
- B. Vitamin D
- C. Vitamin $\text{B}_2$
- D. Vitamin $\text{B}_6$
Column II
- I. Cheilosis
- II. Convulsions
- III. Rickets
- IV. Pernicious anaemia
Correct answer: A → IV, B → III, C → I, D → II
Explanation
Vitamin $\text{B}_{12}$: Pernicious anaemia; Vitamin D: Rickets; Vitamin $\text{B}_2$: Cheilosis; Vitamin $\text{B}_6$: Convulsions.
Detailed Solution
Vitamins and deficiency disorders: 1. Vitamin $\text{B}_{12}$ (Cobalamin) deficiency causes Pernicious anaemia (IV). 2. Vitamin D (Calciferol) deficiency causes Rickets (III). 3. Vitamin $\text{B}_2$ (Riboflavin) deficiency causes Cheilosis (fissuring at corners of mouth) (I). 4. Vitamin $\text{B}_6$ (Pyridoxine) deficiency leads to Convulsions (II). Hence, A-IV, B-III, C-I, D-II.