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Cambridge IGCSE COMBINED SCIENCE 0653/42 Paper 4 Theory (Extended) February/March 2024 Question paper $10.49
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Cambridge IGCSE COMBINED SCIENCE 0653/42 Paper 4 Theory (Extended) February/March 2024 Question paper
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Cambridge IGCSE COMBINED SCIENCE 0653/42 Paper 4 Theory (Extended) February/March 2024 Question paper

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  • October 25, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
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  • cambridge igcse combined science 065342 paper 4 t

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  • Cambridge IGCSE COMBINED SCIENCE 0653/42 Paper 4 T
  • Cambridge IGCSE COMBINED SCIENCE 0653/42 Paper 4 T

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Cambridge IGCSE COMBINED SCIENCE 0653/42 Paper 4
Theory (Extended) February/March 2024 Question paper

, Cambridge IGCSE™
* 0 5 2 9 1 5 6 8 7 2 *




COMBINED SCIENCE 0653/42
Paper 4 Theory (Extended) February/March 2024
1 hour 15 minutes

You must answer on the question paper.

No additional materials are needed.

INSTRUCTIONS
● Answer all questions.
● Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs.
● Write your name, centre number and candidate number in the boxes at the top of the page.
● Write your answer to each question in the space provided.
● Do not use an erasable pen or correction fluid.
● Do not write on any bar codes.
● You may use a calculator.
● You should show all your working and use appropriate units.


INFORMATION
● The total mark for this paper is 80.
● The number of marks for each question or part question is shown in brackets [ ].
● The Periodic Table is printed in the question paper.




This document has 20 pages. Any blank pages are indicated.


DC (CJ/SG) 329943/3
© UCLES 2024 [Turn over

, 3

1 (a) Fig. 1.1 shows part of the human alimentary canal and associated organs.




X


not to scale

Fig. 1.1

(i) On Fig. 1.1, draw a line and the letter L to label the liver. [1]

(ii) State the name of the part labelled X shown on Fig. 1.1.

..................................................................................................................................... [1]

(b) Mechanical digestion takes place in the alimentary canal.

Complete the definition of mechanical digestion.
Mechanical digestion is the breakdown of food into smaller ................................... without
chemical change to the food ................................. .
[2]
(c) Enzymes in the alimentary canal speed up chemical digestion.

State the function of the enzyme amylase.

...................................................................................................................................................

............................................................................................................................................. [2]




© UCLES 2024 0653/42/F/M/24 [Turn over

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