Question

Which of the following is a function of food ?

• A. Nutrition of the body
• B. Providing energy to the body
• C. Protecting the body from diseases
• D. All of these

Hint:

Remember the three main roles of nutrients from food: to provide {Energy} (carbs, fats), to facilitate {Growth} and repair (proteins), and to {Protect} and regulate (vitamins, minerals).

Answer 1

The Correct Option is D

Step 1: Understanding the Concept:
The question asks for the functions that food performs for the human body. Food provides the essential substances (nutrients) required for life.
Step 2: Detailed Explanation:
Food has three primary physiological functions:
1. Energy-giving: Foods rich in carbohydrates and fats provide the energy required for all bodily activities, from metabolic processes to physical work. This corresponds to option (B).
2. Body-building: Foods rich in proteins are essential for the growth of new cells and the repair of tissues. This is a key aspect of (A) Nutrition of the body.
3. Protective and Regulatory: Foods containing vitamins and minerals are crucial for regulating bodily functions and protecting the body against various diseases and infections. This corresponds to option (C).
Since all three options describe essential functions of food, the correct answer is (D).
Step 3: Final Answer:
Food provides nutrition and energy, and it helps protect the body from diseases. Therefore, all the given options are functions of food.