Cambridge IGCSE Biology practice

Paper 3 structured question: Physical digestion

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

At a glance

Paper

Marks

Topic

Physical digestion

Exam-style question

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Paper 3Theory (Core)3 marks

Different types of human teeth perform specific roles in the physical digestion of food.

Description

Incisors cut food, canines tear food, premolars grind food, and molars crush food.

a
State the role of canines in physical digestion.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Describe how premolars and molars assist in physical digestion.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)2 marks

Diagram Description

A diagram shows four types of teeth: incisors at the front, canines next to incisors, followed by premolars and molars at the back.

a
Describe the role of incisors in the physical digestion of food.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Identify two types of teeth involved in grinding and crushing food.
Your answer
Aim for approximately 1 distinct marking point.
[1]