Question

Vitamin needed for blood coagulation is

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

Answer 1

The correct option is D

Vitamin K

The correct option is D.

Explanation of the correct option:

1. Vitamin K is necessary for blood clotting and it prevents excessive bleeding.
2. This is because vitamin K helps to produce proteins required for blood coagulation.
3. If a person has a deficiency of vitamin K it increases the time taken by the blood to clot.
4. Severe deficiency of vitamin K causes death due to excessive blood loss in case of a cut or an injury.
5. Sources of vitamin K are green leafy vegetables, spinach, broccoli, and cabbage.

Explanation of the incorrect options:

Option A:

1. Vitamin A improves the immune system of the body.
2. Sources of vitamin A are Beef liver, milk, eggs, etc.
3. Deficiency of vitamin A leads to night blindness.

Option B:

1. Vitamin B plays an important role in cell metabolism.
2. Sources of vitamin B are seafood, cereals, legumes, etc.
3. Deficiency of vitamin B leads to neurological problems.

Option C:

1. Vitamin E is an antioxidant and ensures cellular signaling in the body.
2. Sources of vitamin E are fruits, vegetable oils, meat, etc.
3. Deficiency of vitamin E leads to nerve and muscle damage.

Final answer: Vitamin needed for blood coagulation is vitamin K.