● Vitamins are organic compounds, found in natural foods that are required for normal growth and maintenance of the body. ● Vitamins help in protecting our body against diseases. ● Vitamins A, D, E, and K are fat-soluble and Vitamins B and C are water-soluble . ● Papaya, Carrot, and Mango are some sources of Vitamin A. ◦ The deficiency of Vitamin A causes Night-blindness. ● Orange, Lemon, and Tomato are some sources of Vitamin C. ● The deficiency of Vitamin C causes Scurvy. Fish, Liver, and Egg are some sources of Vitamin D. Hence, Pair 3 is incorrectly matched. The deficiency of Vitamin D causes Rickets and Osteomalacia.