SSC CHSL 2019 PYQ — Question 48

Which of the following is a fat-soluble vitamin that plays a role in blood clotting, bone metabolism and regulating blood calcium levels. 

Vitamin K

Vitamin K:

• Vitamin K is a group of structurally similar, fat-soluble vitamins found in foods and dietary supplements.
• The human body requires vitamin K for the complete synthesis of certain proteins that are needed for blood coagulation or for controlling the binding of calcium in bones and other tissues.
• Vitamin K is a group of compounds.
• The most important of these compounds appears to be vitamin K₁ and vitamin K₂.
• Vitamin K₁ is obtained from leafy greens and some other vegetables.
• Vitamin K₂ is a group of compounds largely obtained from meats, cheeses, and eggs, and synthesized by bacteria.