Which of the following vitamin helps in clotting of blood?

Vitamin K
Vitamin D
Vitamin B1
Vitamin B2

The correct answer is Vitamin K.

Vitamin K is a fat-soluble vitamin that is essential for blood clotting. It is also involved in bone metabolism and wound healing. Vitamin K is found in green leafy vegetables, broccoli, Brussels sprouts, cabbage, and liver. It is also available as a dietary supplement.

Vitamin D is a fat-soluble vitamin that is important for bone health. It is also involved in immune function and cell growth. Vitamin D is found in sunlight, fatty fish, egg yolks, and fortified dairy products.

Vitamin B1 is a water-soluble vitamin that is important for energy metabolism. It is also involved in nerve function and muscle contraction. Vitamin B1 is found in whole grains, legumes, meat, and poultry.

Vitamin B2 is a water-soluble vitamin that is important for energy metabolism. It is also involved in cell growth and repair. Vitamin B2 is found in milk, cheese, eggs, meat, poultry, and green vegetables.

Vitamin K is the only vitamin that is essential for blood clotting. It does this by helping the body produce proteins that are involved in the clotting process. Vitamin K deficiency can lead to bleeding problems.