Which of the following foods is high in starch?

The correct answer is oats, which are indeed high in starch. Starch is a type of carbohydrate that serves as an energy reserve in many plants. It is particularly abundant in grains and cereals, and oats are a prime example of a starchy food.

Oats contain a significant amount of complex carbohydrates, which are primarily in the form of starch. When consumed, these starches are broken down into glucose, providing a steady source of energy. In addition to being rich in starch, oats also offer dietary fiber and other essential nutrients, making them a beneficial choice for a balanced diet.

Other foods listed, such as oranges, fish, and nuts, do not contain significant amounts of starch. Oranges are mostly composed of simple sugars, fish primarily consist of proteins and fats, and while nuts provide healthy fats and some protein, they contain very little starch. This distinction reinforces the importance of distinguishing between different types of macromolecules and their sources in our diet.