Which nutrient is often described as a major nutrient present in all food groups?

Which nutrient is often described as a major nutrient present in all food groups?

• A. Protein
• B. Vitamin C
• C. Iron
• D. Fiber

Answer: (A)

Protein acts as a building block for growth and tissue repair, and it appears in foods from every major group. You can get high-quality protein from animal sources like meat, eggs, and dairy, while grains, legumes, nuts, seeds, and many vegetables also provide protein, though the amounts vary. This wide presence across different food groups is why protein is described as a major nutrient found in all food groups. The other options are more characteristic of specific groups: Vitamin C is mainly in fruits and vegetables, iron varies by source (animal and some plant foods), and fiber is found in plant foods but not in animal products. So protein best fits the description.

Protein acts as a building block for growth and tissue repair, and it appears in foods from every major group. You can get high-quality protein from animal sources like meat, eggs, and dairy, while grains, legumes, nuts, seeds, and many vegetables also provide protein, though the amounts vary. This wide presence across different food groups is why protein is described as a major nutrient found in all food groups. The other options are more characteristic of specific groups: Vitamin C is mainly in fruits and vegetables, iron varies by source (animal and some plant foods), and fiber is found in plant foods but not in animal products. So protein best fits the description.