1
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Time: 2 hours Paper
reference 9BN0/03
Biology A 2025 Predicted Paper
Advanced
PAPER 3: General and Practical Applications in Biology
Total Marks
You must have: Ruler, HB pencil, scientific calculator and a copy
of the scientific article adapted from the New Scientist and the
Brazilian Journal of Medical and Biological Research (enclosed)
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 100.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• structure
In 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.
• Checkanswer
Try to every question.
• your answers if you have time at the end.
, 2
1. (a) Define the term "ecological niche" and explain its importance in a community. (3)
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(b) A population of grasshoppers shows an increase in size over time. Describe the biotic and abiotic
factors that could influence this population growth. (4)
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(c) Explain how interspecific competition might affect the population size of grasshoppers. (2)
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(d) Suggest a method to study the carrying capacity of a habitat for grasshoppers. (1)
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(e) How might predation impact the population size of grasshoppers? (2)
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(g) Predict how changes in land use (e.g., deforestation or agriculture) could impact the grasshopper
population. (2)
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Edexcel AL Biology Question Paper 3A 2025 Predicted
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Time: 2 hours Paper
reference 9BN0/03
Biology A 2025 Predicted Paper
Advanced
PAPER 3: General and Practical Applications in Biology
Total Marks
You must have: Ruler, HB pencil, scientific calculator and a copy
of the scientific article adapted from the New Scientist and the
Brazilian Journal of Medical and Biological Research (enclosed)
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 100.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• structure
In 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.
• Checkanswer
Try to every question.
• your answers if you have time at the end.
, 2
1. (a) Define the term "ecological niche" and explain its importance in a community. (3)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(b) A population of grasshoppers shows an increase in size over time. Describe the biotic and abiotic
factors that could influence this population growth. (4)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(c) Explain how interspecific competition might affect the population size of grasshoppers. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(d) Suggest a method to study the carrying capacity of a habitat for grasshoppers. (1)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(e) How might predation impact the population size of grasshoppers? (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(g) Predict how changes in land use (e.g., deforestation or agriculture) could impact the grasshopper
population. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
Edexcel AL Biology Question Paper 3A 2025 Predicted
