Cambridge IGCSE BIOLOGY 0610/42 Paper 4 Theory
(Extended) February/March 2024 Question paper + mark
scheme merged
, Cambridge IGCSE™
* 8 1 7 8 5 7 2 0 7 0 *
BIOLOGY 0610/42
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 [ ].
This document has 20 pages.
DC (DE/SG) 328326/4
© UCLES 2024 [Turn over
,
, 2
1 Enzymes are catalysts.
(a) (i) Describe what is meant by the term catalyst.
...........................................................................................................................................
...........................................................................................................................................
...........................................................................................................................................
...........................................................................................................................................
..................................................................................................................................... [2]
(ii) Enzymes are proteins.
State the names of the chemical elements found in all proteins.
...........................................................................................................................................
..................................................................................................................................... [2]
© UCLES 2024 0610/42/F/M/24
(Extended) February/March 2024 Question paper + mark
scheme merged
, Cambridge IGCSE™
* 8 1 7 8 5 7 2 0 7 0 *
BIOLOGY 0610/42
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 [ ].
This document has 20 pages.
DC (DE/SG) 328326/4
© UCLES 2024 [Turn over
,
, 2
1 Enzymes are catalysts.
(a) (i) Describe what is meant by the term catalyst.
...........................................................................................................................................
...........................................................................................................................................
...........................................................................................................................................
...........................................................................................................................................
..................................................................................................................................... [2]
(ii) Enzymes are proteins.
State the names of the chemical elements found in all proteins.
...........................................................................................................................................
..................................................................................................................................... [2]
© UCLES 2024 0610/42/F/M/24
