IB SEHS Topic 3 Exam Questions with Correct Answers Latest 2025
macronutrients - Answers Nutrients that our body needs in larger amounts to maintain health;
Four types are carbohydrates, fats, proteins, and water
dietary fats - Answers Triglycerides, phospholipids, sterols
glucose composition - Answers Carbon, hydrogen, oxygen
condensation reaction - Answers How glucose molecules can combine to form disaccharides
and polysaccharides
water - Answers Functions include excretion, lubrication, transport, and thermoregulation
why athletes need more carbs - Answers Meet energy requirements, delay onset of fatigue
why athletes need more protein - Answers Build and repair muscle mass and connective tissue;
synthesize hormones and enzymes
why athletes need more fat - Answers Source of energy; fat soluble vitamins are critical for
performance
energy content per 100 g carb - Answers 1760 kJ
energy content per 100 g protein - Answers 1720 kJ
energy content per 100 g fat - Answers 4000 kJ
micronutrient examples - Answers Vitamins and minerals
cellulose - Answers Chains of glucose molecules - humans lack enzymes to digest it
amylose starch - Answers A form of starch that is a sugar storage compound; plant-based
essential amino acids - Answers Need to be provided in the diet; include isoleucine, leucine,
lysine, methionine, phenylalanine, threonine, tryptophan, and valine
essential fatty acids - Answers bodies lack the enzymes necessary to synthesize them; are
found in plant oil from sesame seeds, corn, linseeds, and walnuts
amino acid composition - Answers carbon, hydrogen, oxygen, nitrogen
monosaccharide - Answers simplest form of a carbohydrate that is easily absorbed by the
human body
dietary fiber - Answers oligosaccharides and polysaccharides that are poorly digestible or
indigestible
glycogen - Answers the form in which excess glucose is stored in the human body; abundant in
macronutrients - Answers Nutrients that our body needs in larger amounts to maintain health;
Four types are carbohydrates, fats, proteins, and water
dietary fats - Answers Triglycerides, phospholipids, sterols
glucose composition - Answers Carbon, hydrogen, oxygen
condensation reaction - Answers How glucose molecules can combine to form disaccharides
and polysaccharides
water - Answers Functions include excretion, lubrication, transport, and thermoregulation
why athletes need more carbs - Answers Meet energy requirements, delay onset of fatigue
why athletes need more protein - Answers Build and repair muscle mass and connective tissue;
synthesize hormones and enzymes
why athletes need more fat - Answers Source of energy; fat soluble vitamins are critical for
performance
energy content per 100 g carb - Answers 1760 kJ
energy content per 100 g protein - Answers 1720 kJ
energy content per 100 g fat - Answers 4000 kJ
micronutrient examples - Answers Vitamins and minerals
cellulose - Answers Chains of glucose molecules - humans lack enzymes to digest it
amylose starch - Answers A form of starch that is a sugar storage compound; plant-based
essential amino acids - Answers Need to be provided in the diet; include isoleucine, leucine,
lysine, methionine, phenylalanine, threonine, tryptophan, and valine
essential fatty acids - Answers bodies lack the enzymes necessary to synthesize them; are
found in plant oil from sesame seeds, corn, linseeds, and walnuts
amino acid composition - Answers carbon, hydrogen, oxygen, nitrogen
monosaccharide - Answers simplest form of a carbohydrate that is easily absorbed by the
human body
dietary fiber - Answers oligosaccharides and polysaccharides that are poorly digestible or
indigestible
glycogen - Answers the form in which excess glucose is stored in the human body; abundant in
