The correct answer is Fruits and vegetables. Fruits and vegetables are called protective foods as they are rich in vitamins and minerals that keep us healthy and protect us from diseases. Additional InformationDifferent fruits and vegetables have different vitamins having different functions. Vitamin A keeps our skin and eyesight healthy. Spinach, mango, carrot, papaya, and cod liver oil are sources of vitamin A. Vitamin B helps in the proper functioning of nerves and is also good for the skin. Green leafy vegetables, whole grains, soybeans, and milk are sources of Vitamin B. Vitamin C keeps your gum healthy and helps in healing wounds. It boosts immunity. Orange, lemon, amla, and guava are good sources of vitamin C. Vitamin D is essential for healthy bones and teeth. Sunlight, milk, egg, fish, and cod liver oil are sources of vitamins.