Human Nutrition
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Preview questions (no answers)
- 1.
A balanced diet must include all necessary nutrients in the correct proportions to maintain health. The diagram below outlines several vital functions of one specific nutrient group in the human body. Which nutrient group is primarily responsible for these functions?
A.Vitamins
B.Carbohydrates
C.Proteins
D.Minerals
- 2.
How does the dietary energy requirement of a breastfeeding (lactating) woman change compared to a non-breastfeeding woman?
A.It decreases significantly.
B.It stays exactly the same.
C.It increases to provide energy for milk production.
D.It fluctuates every hour.
- 3.
Which of these is the most accurate description of rickets?
A.A blood disorder where cells are misshapen
B.A condition where bones become soft and deformed due to lack of Vitamin D
C.An inability to digest fats correctly
D.A loss of memory due to lack of carbohydrates
Download the worksheet for Human Nutrition - Balanced diet to practice offline. It includes additional chapter-level practice questions.
Alimentary canal
SubtopicAlimentary canal under Human Nutrition for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
What term is used to describe the sum of all the processes that provide nutrients to the body's cells?
A.Egestion
B.Nutrition
C.Excretion
D.Respiration
- 2.
Which of these is a function of the colon?
A.Digestion of proteins
B.Production of bile
C.Storage of undigested food
D.Killing bacteria with acid
- 3.
Where are the products of fat digestion primarily transported to immediately after absorption in the villi?
A.The liver via the blood
B.The lymphatic system
C.The kidneys
D.The lungs
Download the worksheet for Human Nutrition - Alimentary canal to practice offline. It includes additional chapter-level practice questions.
Mechanical and chemical digestion
SubtopicMechanical and chemical digestion under Human Nutrition for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
Which of the following describes the chemical digestion of starch?
A.Starch Glucose
B.Starch Maltose
C.Starch Amino acids
D.Starch Fatty acids
- 2.
What is the name of the liquid food mixture that leaves the stomach and enters the small intestine?
A.Bolus
B.Chyme
C.Bile
D.Feces
- 3.
Which of these processes involves the use of teeth to break food into smaller pieces?
A.Chemical digestion
B.Peristalsis
C.Mechanical digestion
D.Assimilation
Download the worksheet for Human Nutrition - Mechanical and chemical digestion to practice offline. It includes additional chapter-level practice questions.
Absorption and assimilation
SubtopicAbsorption and assimilation under Human Nutrition for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
Which organ converts the toxic ammonia produced during deamination into urea?
A.Kidney
B.Bladder
C.Liver
D.Small intestine
- 2.
The lymphatic system is involved in the absorption of which nutrient?
A.Water
B.Amino acids
C.Fats
D.Glucose
- 3.
Excess glucose is stored as glycogen. Which hormone is primarily responsible for signaling the liver to do this?
A.Adrenaline
B.Insulin
C.Estrogen
D.Testosterone
Download the worksheet for Human Nutrition - Absorption and assimilation to practice offline. It includes additional chapter-level practice questions.