Human Nutrition
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Diet and balanced nutrition
SubtopicDiet and balanced nutrition under Human Nutrition for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which of these is the most accurate description of the energy needs of a pregnant woman compared to her needs before pregnancy?
A.Her energy needs decrease
B.Her energy needs stay exactly the same
C.Her energy needs increase to support the fetus
D.She only needs more vitamins, not more energy
- 2.
Why is it dangerous to have a diet very high in animal fats and cholesterol?
A.It causes scurvy
B.It leads to brittle bones
C.It can block the coronary arteries
D.It causes a lack of energy
- 3.
Which food contains the highest percentage of water?
A.Dried apricots
B.Cucumber
C.Peanut butter
D.Bread
Download the worksheet for Human Nutrition - Diet and balanced nutrition to practice offline. It includes additional chapter-level practice questions.
Alimentary canal
SubtopicAlimentary canal under Human Nutrition for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
What is the tube that connects the gallbladder to the duodenum?
A.Oesophagus
B.Bile duct
C.Ureter
D.Pancreatic duct
- 2.
Which part of the tooth contains the blood vessels and nerves?
A.Enamel
B.Dentin
C.Pulp cavity
D.Cement
- 3.
What is the purpose of chewing food thoroughly?
A.To increase the surface area for enzyme action
B.To decrease the temperature of the food
C.To turn proteins into starch
D.To prevent water from being absorbed
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 11 IGCSE.
Preview questions (no answers)
- 1.
Which of these parts of the alimentary canal is the longest?
A.Esophagus
B.Stomach
C.Small intestine
D.Large intestine
- 2.
What is the main function of the gallbladder?
A.Producing enzymes
B.Producing bile
C.Storing and concentrating bile
D.Storing feces
- 3.
Why are enzymes necessary for chemical digestion?
A.To physically crush food
B.To speed up the breakdown of large molecules
C.To change the color of food
D.To move food through the intestines
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 11 IGCSE.
Preview questions (no answers)
- 1.
Which organ receives blood from the hepatic vein?
A.Small intestine
B.Liver
C.Heart
D.Kidney
- 2.
What is the main chemical form in which nitrogen is removed from the body after deamination?
A.Nitrogen gas
B.Ammonia
C.Urea
D.Nitrate
- 3.
Which of these occurs during egestion?
A.Nutrients enter the blood
B.Undigested food is removed from the body
C.Enzymes break down proteins
D.Glucose is stored as glycogen
Download the worksheet for Human Nutrition - Absorption and assimilation to practice offline. It includes additional chapter-level practice questions.