General Science English MCQ 48th to 52nd BPSC (Pre) 2008 UPPCS (Pre) 2001 UPPCS (Spl)(Mains) 2004 UPPCS (Mains) 2006 Q.Which of the following vitamins contain cobalt? AVitamin B6 BVitamin B2 CVitamin B1 DVitamin B12 Show answer Correct answer: Vitamin B12