This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
ScanSolve AI Answer
Step 1: Which nutrient gives energy? Carbohydrates are the primary source of energy for the body, broken down into glucose for fuel. Answer: A. Carbohydrates A Step 2: Which food group helps with growth and repair? Proteins provide amino acids essential for building and repairing tissues, muscles, and organs. Answer: A. Proteins A Step 3: A balanced diet must include: A balanced diet requires proteins, carbohydrates, vitamins, minerals, fats, and water—not only one type. However, given options emphasizing "only" for some, all essential nutrients from all groups are needed (no single "only" option fits). Answer: None of the "only" options; all nutrients Since options appear limited to single/only choices, standard answer is all major food groups/nutrients. All nutrients/food groups Step 4: Additional check on water/food groups. Water is vital but classified separately from macronutrient food groups (proteins, carbs, fats). Proteins for growth/repair confirmed. Final answers bolded above.