Correct Answer: i-b, ii-c, iii-a, iv-d

Solution : The correct option is i-b, ii-c, iii-a, iv-d.

Vitamin A-Retinol

Vitamin A is essential for vision, immune function, and skin health. It can be obtained from foods like carrots, sweet potatoes, and spinach.

Vitamin B12-Cobalamin

Vitamin B12 is crucial for nerve function and the production of red blood cells. It's found in animal products like meat, fish, and dairy and is often supplemented in vegetarian or vegan diets.

Vitamin C: Ascorbic acid

Vitamin C is important for immune function, collagen synthesis, and antioxidant protection. Citrus fruits, strawberries, and bell peppers are good sources.

Vitamin D: Ergocalciferol

Vitamin D is essential for bone health, immune function, and overall well-being. Sunlight exposure and dietary sources like fatty fish and fortified foods contribute to its intake.