Question

The vitamin required for blood coagulation is _______

• A. Vitamin A
• B. Vitamin B
• C. Vitamin C
• D. Vitamin K

Hint:

Vitamin K is known as the anti-hemorrhagic vitamin because it is required for blood clotting.

Answer 1

The Correct Option is D

Concept:
Vitamins are organic substances required in small quantities for normal body functions. Different vitamins have different biological roles.

Step 1: Understanding blood coagulation.
Blood coagulation means clot formation. It prevents excessive bleeding after injury.

Step 2: Role of vitamin K.
Vitamin K is required for the synthesis of clotting factors in the liver.

Step 3: Important clotting factors.
Vitamin K is involved in the synthesis of factors II, VII, IX, and X.

Step 4: Deficiency effect.
Deficiency of vitamin K causes defective clotting and increased bleeding tendency.

Step 5: Final answer.
Therefore, vitamin K is required for blood coagulation. \[ \boxed{\text{Vitamin K}} \]