Nutrients: Functions, Sources & Energy Needs is one of 9 topics in the Grade 11 Consumer Studies CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. Which macronutrient provides more than double the energy per gram compared to carbohydrates or protein?
Lipids (fats)
Water
Fibre
Protein
Answer: Lipids (fats) — Lipids (fats) are a concentrated energy source, providing more than double the energy per gram compared to carbohydrates or protein.
Easy
2. Which macronutrient is primarily responsible for growth and repair of body tissue?
Protein
Carbohydrates
Lipids
Water
Answer: Protein — Protein's primary function is the growth and repair of body tissue, alongside roles in producing enzymes, hormones and antibodies.
Medium
3. Name the type of carbohydrate that the body cannot fully digest and which supports healthy digestion.
Answer: fibre — Dietary fibre is a type of carbohydrate the body cannot fully digest, and it supports healthy digestion and helps prevent constipation.