**Core Concept**
The mid-day meal scheme is a government initiative aimed at providing nutritious food to school-going children to improve their health, cognitive function, and academic performance. This program emphasizes the importance of proper nutrition in the development and growth of children.

**Why the Correct Answer is Right**
The mid-day meal scheme typically includes a variety of food items such as rice, wheat, lentils, and vegetables. These food items are rich in carbohydrates, proteins, and fiber, which are essential for the growth and development of children. The scheme also aims to promote the consumption of locally grown and seasonal fruits and vegetables to reduce the carbon footprint and support local farmers.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the food items typically included in the mid-day meal scheme.
**Option B:** This option is incorrect because it does not accurately describe the goals of the mid-day meal scheme.
**Option C:** This option is incorrect because it is not specific to the mid-day meal scheme and could refer to other government initiatives.

**Clinical Pearl / High-Yield Fact**
The mid-day meal scheme has been shown to improve the health and academic performance of school-going children, particularly in rural areas where access to nutritious food is limited.

**Correct Answer: D. Nutritious food items such as rice, wheat, lentils, and vegetables.**