St Paul's School — 16+ Biology Sample Paper 2025
St Paul's School set this 16+ Biology paper in 2025. Hearthprep hosts it as an interactive past paper — 21 questions worth 50 marks in 50 minutes, each marked the moment the paper is submitted and backed by a step-by-step worked solution. Most 16+ entrance exams are sat between November and January of the year of entry.
Real 16+ Biology paper from St Paul's School (2025). 21 questions, 50 marks. Answer interactively with worked solutions. Covers Cell division and inheritance, Cells & Organisation, Enzymes & Biological Molecules, Health & Disease, Human Physiology, Nervous system, Plants & Photosynthesis, Scientific Enquiry & Data.
This is the school's own past paper, reproduced here with worked solutions by Hearthprep. Most 16+ entrance exams are sat between November and January of the year of entry, so a timed attempt at this paper is worth doing early enough to leave room for the topics it exposes. Work through it on screen with instant marking, or print the PDF and sit it under exam conditions.
- School
- St Paul's School
- Entry level
- 16+
- Subject
- Biology
- Year
- 2025
- Questions
- 21
- Marks
- 50
- Time
- 50 minutes
- Exam board
- ISEB
Topics in this paper
- Cell division and inheritance
- Cells & Organisation
- Enzymes & Biological Molecules
- Health & Disease
- Human Physiology
- Nervous system
- Plants & Photosynthesis
- Scientific Enquiry & Data
Questions in this paper (3 of 21)
- Question 1multiple choice · 1 mark
Section A. A bacterium lives in hot springs at temperatures of 75 °C to 85 °C. Which graph represents the activity of enzymes found in these bacteria? [Diagram: four sketch graphs, each with enzyme activity on the vertical axis and temperature / °C from 0 to 120 on the horizontal axis. Graph A: activity rises slowly at first, then more steeply, and levels off at a plateau from about 70 °C onwar…
- Question 2multiple choice · 1 mark
Which features do animal cells share with fungal cells? [Table: five rows, A to E, each giving a tick or a cross for four features - chloroplast, mitochondria, cytoplasm, nucleus. Row A: chloroplast tick, mitochondria cross, cytoplasm tick, nucleus tick. Row B: chloroplast tick, mitochondria tick, cytoplasm tick, nucleus cross. Row C: chloroplast cross, mitochondria cross, cytoplasm cross, nucl…
- Question 3multiple choice · 1 mark
What is a characteristic of all catalysts?
18 further questions in this paper open with any paid plan, along with marking and the worked solutions. See plans.
Frequently asked questions
What is in the St Paul's School — 16+ Biology Sample Paper 2025?
21 questions worth 50 marks in total, written for 50 minutes. It covers Cell division and inheritance, Cells & Organisation, Enzymes & Biological Molecules, Health & Disease, Human Physiology, Nervous system, Plants & Photosynthesis, Scientific Enquiry & Data. St Paul's School set it as a 16+ Biology paper.
How long is the St Paul's School 16+ Biology paper?
This paper is timed at 50 minutes for 50 marks — roughly 60 seconds a mark. Hearthprep runs the same clock on screen, so your child sees how far through the time they are as they answer.
Can my child answer this paper online?
Yes. Every question on this page can be answered in the browser and is marked the moment the paper is submitted — multiple choice, short answers and written responses alike. Answers are matched leniently, so a correct value written a different way (units, fractions, word numbers) still scores.
Are worked solutions included?
Every question has a step-by-step worked solution and an AI tutor that will talk through it after the paper is submitted. The first 3 questions of this paper are free to try; the remaining 18 and the marking come with a paid plan.
Where does this St Paul's School paper come from?
This is the school's own past paper, reproduced here with worked solutions by Hearthprep. Use it to time a full mock attempt, then drill whichever topics your child drops marks on.
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