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

Structure of Human Teeth

Diagram Description

The diagram shows a cross-section of a human tooth with labeled parts: enamel, dentine, pulp, nerves, blood vessels, cement, bone, and gums.

a
Describe Describe the function of enamel in a human tooth.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Identify Identify two components inside the pulp of a tooth.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)3 marks

Description

Teeth are set in the jawbone and surrounded by gums which protect and support them.

a
State State the part of the tooth that covers the root and helps attach it to the bone.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
Describe Describe the role of gums in relation to teeth.
Your answer
Aim for approximately 2 distinct marking points.
[2]