Question

Match the vitamins listed in Column I with their respective coenzyme forms in Column II. Choose the correct combination

Column I		Column II
A	Vitamin- $B_1$	1	Thiamine pyrophosphate
B	Vitamin-$B_2$	2	Flavine adenine dinucleotide
C	Vitamin-$B_3$	3	Methylcobalamin
D	Vitamin-$B_{12}$	4	Coenzyme-A
		5	Pyridoxal phosphate

• A. A- (5), B- (3), C -(1), D- (4)
• B. A- (3), B- (4), C -(2), D- (1)
• C. A- (1), B- (2), C -(5), D- (3)
• D. A- (1), B- (4), C -(2), D- (3)

Answer 1

Answer: (C)

Vitamin-B complex are necessary for vital functions and essential for the formation of coenzyme involved in enzymatic reaction. Example Vitamin-$B_1$ also called thiamine required for $TPP$ (Thiamine Pyrophosphate). Vitamin-$B_2$ also called riboflavin, required for $FMN/FAD$ formation, vitamin-$B_3$ also called niacin or nicotinic acid required for the formation of $NAD,NADP.$