Cambridge IGCSE Biology practice

Paper 3 structured question: Diet

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Diet

Exam-style question

Try this first

Paper 3Theory (Core)3 marks

Dietary nutrients and their roles

Description

Different nutrients have specific dietary sources and roles in the body.

Nutrient	Dietary Source	Role
Fats and oils	Butter, oils, nuts	Provide energy and insulation
Vitamin D	Sunlight, fish, fortified milk	Help calcium absorption
Iron	Red meat, beans, spinach	Make haemoglobin
Fibre	Whole grains, fruits, vegetables	Aid digestion

a
State a dietary source of protein.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Describe the role of vitamin D in the human body.
Your answer
Aim for approximately 2 distinct marking points.
[2]

0 of 2 parts answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Flashcard 1 of 6

Press Space to flip, arrows to move

Paper 3Theory (Core)3 marks

Description

The table below lists some nutrients and their main functions in the human body.

a
Identify a dietary source of carbohydrates.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Describe the importance of calcium in the diet.
Your answer
Aim for approximately 2 distinct marking points.
[2]