Match the column A with column B.

i - a, ii - b, iii - c, iv - d

The correct answer is Option (4)- i - a, ii - b, iii - c, iv - d

Here's the matching of vitamins in Column-A with their food sources in Column-B:

i. Vitamin A - a. Carrot, Mango, Papaya

ii.Vitamin B - b. Whole grain bread and nuts

iii. Vitamin C - c. Citrus fruits, red and green pepper

iv. Vitamin D - d. Egg yolk, soya product

Explanation:

• Vitamin A: Found in foods like Carrot, Mango, and Papaya. These fruits and vegetables are rich in beta-carotene, a precursor of vitamin A.
• Vitamin B: Found in foods like Whole grain bread and nuts. Vitamin B is a complex of several B vitamins, including B1 (thiamine), B2 (riboflavin), B3 (niacin), B6 (pyridoxine), and others. Whole grains and nuts are good sources.
• Vitamin C: Found in foods like Citrus fruits (oranges, lemons) and red and green peppers. Vitamin C is an antioxidant and is crucial for the immune system and skin health.
• Vitamin D: Found in foods like Egg yolk and soya products. Additionally, vitamin D can be synthesized by the body when the skin is exposed to sunlight.

These vitamins play essential roles in various physiological functions, and obtaining them through a balanced diet is crucial for maintaining good health.