Question

Which of the following vitamins acts as an antioxidant?

• A. Vitamin B\(_1\)
• B. Vitamin K
• C. Vitamin E
• D. Vitamin D

Hint:

Vitamin E is a fat-soluble antioxidant that protects cell membranes from oxidative damage.

Answer 1

The Correct Option is C

Concept:
Antioxidants protect the body from damage caused by free radicals.

Step 1: Understanding free radicals.
Free radicals are highly reactive molecules that can damage cell membranes, proteins, and DNA.

Step 2: Role of vitamin E.
Vitamin E is a fat-soluble antioxidant. It protects cell membranes from lipid peroxidation.

Step 3: Importance in body.
Since cell membranes contain lipids, vitamin E is very important for protecting membrane lipids from oxidative damage.

Step 4: Checking other vitamins.
Vitamin B\(_1\) is important in carbohydrate metabolism.
Vitamin K is required for blood clotting.
Vitamin D is important for calcium and bone metabolism.
Vitamin E acts as an antioxidant. \[ \boxed{\text{Vitamin E}} \]