Question

Vitamin that assists in blood clotting is:

• A. $A$
• B. $D$
• C. $B_{12}$
• D. $K$

Answer 1

The correct option is D $K$

Vitamin $K$ is used to coagulate the blood. Vitamin $K$ serves as a coenzyme for the carboxylation of residues of glutamic acid where carboxylase enzyme catalyzes the reaction.