MCQ
Product $(A)$ and $(B)$ respectively are :-


- A

- B

- ✓

- D








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[Given, atomic number: $Mn =25, Fe =26, Co =27$; en $= H _2 NCH _2 CH _2 NH _2$ ]

| List $I$ Vitamin | List $II$ Deficiency disease |
| $A$ Vitamin $A$ | $I.$ Beri-Beri |
| $B$ Thiamine | $II.$ Cheilosis |
| $C$ Ascorbic acid | $III.$ Xeropthalmia |
| $D$ Riboflavin | $IV.$ Scurvy |
Choose the correct answer from the options given below: