Font size
Worksheets09 Digestion
Total questions: 16
Worksheet time: 9mins
What is an important function of protein in diet?
for growth and repair of cells
provides body's main store of energy
to help prevent a stroke
to help prevent constipation
The diagram shows part of the digestive system. Some enzymes have an optimum pH of 2. In which part of the digestive system would these enzymes work?
A
B
C
D
Which food helps to prevent constipation?
eggs
meat
milk
vegetables
Enzymes for the digestion of certain food molecules can be produced by more than one organ. Which pairs of organs produce enzymes that can digest the same types of food molecules?
1 - salivary glands and pancreas
2 - stomach and pancreas
3 - stomach and salivary glands
1, 2 and 3
1 and 2
1 and 3
2 and 3
Which description of a balanced diet is correct?
a diet that contains an equal amount of all the types of food components to sustain a healthy life
a diet that contains lots of vitamins and minerals to sustain a healthy life
a diet that contains meat, vegetables and fruits to sustain a healthy life
a diet that contains the recommended proportion of all types of food components to sustain a healthy life
The pie chart shows causes of liver disease. What is the missing percentage for alcohol?
22%
24%
76%
100%
Match the following.
A
mouth
B
liver
C
stomach
D
small intestine
The diagram shows a protein before and after it has been in the stomach. What happens to the protein in the stomach?
It is damaged by alkali.
It is digested.
It is neutralised.
It is used for energy.
What is a function of pancreas?
absorbing nutrients
producing bile
producing digestive enzymes
releasing undigested material
Which of the following is a/are function(s) of the liver?
produces a greenish-yellow liquid called bile
Breaks down excess proteins into urea
stores excess glucose
Breaks down harmful substances (e.g. alcohol) into harmless substances.
The graph shows activity of two enzymes. Trypsin is found in the small intestine. What is the most likely pH of the small intestine?
pH2
pH4
pH 6
pH 8
The table shows the mass of different nutrients in 150g of cooked rice. One of the nutrients in the table is needed for growth and repair of cells. What is the percentage mass of this nutrient?
0.4%
2.9%
4.4%
35.5%
Which organ stores bile?
Liver
Gall bladder
Bile duct
pancreas
The diagram shows some organs in the human body. In which organ will an acid be produced?
A
B
C
D
Diabetes can be controlled by
injecting insulin
controlling the intake of carbohydrates
exercising regularly
consuming food high in sugars
