Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Morning (Time: 2 hours 30 minutes) Paper
reference 9BI0/03
Biology B 2025 Predicted Paper
Advanced
PAPER 3: General and Practical Principles in Biology
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.
Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 120.
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
question(s) 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.
, 2
Answer all the questions
1 (a) In photosynthesis, which molecule acts as the primary electron donor in the light-dependent
reactions? (1)
a. NADP⁺
b. Water (H₂O)
c. Oxygen (O₂)
d. Glucose
(b) True or False (3)
i. ATP is produced during both photosynthesis and cellular respiration. (True/False)
ii. The light-dependent reactions occur in the stroma of chloroplasts. (True/False)
iii. Carbon dioxide is released during the Krebs cycle in aerobic respiration. (True/False)
(c) The following bar graph compares ATP yield from aerobic and anaerobic respiration.
Edexcel AL Biology Question Paper 3B 2025 Predicted
, 3
(i) Identify the process producing the higher ATP yield. (1)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(ii) Explain why anaerobic respiration produces less ATP. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(d) Describe the role of NADP⁺ in photosynthesis and NAD⁺ in cellular respiration. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(e) Explain why the Krebs cycle cannot function in the absence of oxygen. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
Edexcel AL Biology Question Paper 3B 2025 Predicted
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Morning (Time: 2 hours 30 minutes) Paper
reference 9BI0/03
Biology B 2025 Predicted Paper
Advanced
PAPER 3: General and Practical Principles in Biology
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.
Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 120.
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
question(s) 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.
, 2
Answer all the questions
1 (a) In photosynthesis, which molecule acts as the primary electron donor in the light-dependent
reactions? (1)
a. NADP⁺
b. Water (H₂O)
c. Oxygen (O₂)
d. Glucose
(b) True or False (3)
i. ATP is produced during both photosynthesis and cellular respiration. (True/False)
ii. The light-dependent reactions occur in the stroma of chloroplasts. (True/False)
iii. Carbon dioxide is released during the Krebs cycle in aerobic respiration. (True/False)
(c) The following bar graph compares ATP yield from aerobic and anaerobic respiration.
Edexcel AL Biology Question Paper 3B 2025 Predicted
, 3
(i) Identify the process producing the higher ATP yield. (1)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(ii) Explain why anaerobic respiration produces less ATP. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(d) Describe the role of NADP⁺ in photosynthesis and NAD⁺ in cellular respiration. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
(e) Explain why the Krebs cycle cannot function in the absence of oxygen. (2)
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
Edexcel AL Biology Question Paper 3B 2025 Predicted
