Cambridge IGCSE Biology practice

Paper 3 structured question: Physical digestion

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Paper

Marks

Topic

Physical digestion

Exam-style question

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Paper 3Theory (Core)2 marks

Human teeth have different shapes and functions that help in the physical digestion of food.

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]

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Paper 3Theory (Core)3 marks

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]