Exam (elaborations)
Edexcel AS Biology A Question Paper 1 2025 Predicted
- Module
- 2025
- Institution
- PEARSON (PEARSON)
Edexcel AS Biology A Question Paper 1 2025 Predicted
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Please check the examination details below before entering your candidate informationCandidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Time: 1 hour 30 minutes Paper
reference 8BN0/01
Biology A
Advanced Subsidiary 2025 Precicted Paper
PAPER 1: Lifestyle, Transport, Genes and Health
You must have: Total Marks
Scientific calculator, HB pencil, ruler
Instructions
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Show all your working out in calculations and include units where appropriate.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 80.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
questions marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related or
follow on from each other where appropriate.
Advice
•• Read each question carefully before you start to answer it.
Try to answer every question.
• Check your answers if you have time at the end.
,1 Enzymes are biological catalysts that speed up reactions in living organisms.
(a) What is meant by the term "biological catalyst"? [2]
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(b) The diagram below shows an enzyme reaction. Label A and the B. [2]
A
B
A …………………………………………………………………………………………………………
B………………………………………………………………………………………………………….
(c) Explain how temperature and pH can affect enzyme activity. [2]
……………………………………………………………………………………………………………
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……………………………………………………………………………………………………………
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Edexcel AS Biology Question Paper 1A 2025 Predicted
, (d) Describe one way enzymes are used in industry and explain its importance. [2]
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(Total for Question 1 = 8 marks)
Edexcel AS Biology Question Paper 1A 2025 Predicted
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