What is a principal source of carbohydrates?

A principal source of carbohydrates is plant-based foods, particularly grains, fruits, vegetables, and legumes. Common examples include rice, bread, pasta, potatoes, and fruits like bananas and Apples. These foods provide energy and are often rich in fiber, vitamins, and minerals. Carbohydrates are essential for the body's energy needs and play a crucial role in overall health.