Question

Vitamin essential for blood clotting is

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

Hint:

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

Answer 1

The Correct Option is D

Concept:
Blood clotting is a protective mechanism that prevents excessive blood loss after injury.

Step 1: Role of vitamin K.
Vitamin K is required for the synthesis of clotting factors in the liver.

Step 2: Important clotting factors.
Vitamin K is needed for the formation of factors II, VII, IX, and X.

Step 3: Deficiency effect.
Deficiency of vitamin K causes delayed clotting and increased bleeding tendency.

Step 4: Checking other options.
Vitamin A is important for vision.
Vitamin C is important for collagen synthesis.
Vitamin D is important for calcium absorption.
Vitamin K is essential for blood clotting. \[ \boxed{\text{Vitamin K}} \]