Q1 · Difficulty 1/3
The green pigment that absorbs light is:
- haemoglobin
- keratin
- melanin
- chlorophyll
Show answer & explanation
✓ Answer: D — chlorophyll
Chlorophyll absorbs light energy.
WJEC · GCSE · Biology
Free WJEC GCSE Biology
Practice Paper
8 mixed-difficulty practice questions in the style of real WJEC GCSE papers — answers, mark-scheme-style explanations, and the official exam structure all on one page.
Take a Mini Mock →What the real WJEC GCSE Biology paper looks like
Paper 1
Approximately 1 hour 30 minutes, ~70-100 marks. Covers Topics 1-4 of the specification.
Paper 2
Approximately 1 hour 30 minutes, ~70-100 marks. Covers Topics 5-8 of the specification.
Paper 3
Where applicable — e.g. Combined Science, Languages. Includes synoptic and applied questions.
Total exam time: ~3 hours across two or three papers.
Grading: Grades: 9 (highest) to 1 (lowest), with U (ungraded). A grade of 4 is a standard pass; 5 is a strong pass.
Grading: Grades: 9 (highest) to 1 (lowest), with U (ungraded). A grade of 4 is a standard pass; 5 is a strong pass.
Mini practice paper: 8 questions
Mixed-difficulty questions from across the Biology syllabus. Tap "Show answer" after each to check yourself.
Q2 · Difficulty 1/3
The theory of evolution by natural selection was proposed by:
- Charles Darwin
- Gregor Mendel
- Louis Pasteur
- Robert Hooke
Show answer & explanation
✓ Answer: A — Charles Darwin
Darwin proposed natural selection.
Q3 · Difficulty 1/3
Which structure is found in plant cells but not animal cells?
- ribosome
- mitochondrion
- nucleus
- cellulose cell wall
Show answer & explanation
✓ Answer: D — cellulose cell wall
Plant cells have a cellulose cell wall.
Q4 · Difficulty 2/3
Gametes are produced by which cell division?
- budding
- meiosis
- mitosis
- binary fission
Show answer & explanation
✓ Answer: B — meiosis
Meiosis produces haploid gametes.
Q5 · Difficulty 2/3
Exchange between blood and tissues occurs across:
- capillaries
- arteries
- veins
- the aorta
Show answer & explanation
✓ Answer: A — capillaries
Capillaries have thin walls for exchange.
Q6 · Difficulty 2/3
Water is transported up a plant in the:
- xylem
- phloem
- stomata
- cuticle
Show answer & explanation
✓ Answer: A — xylem
Xylem transports water and minerals.
Q7 · Difficulty 1/3
The variety of species in an ecosystem is called:
- biodiversity
- abundance
- biomass
- distribution
Show answer & explanation
✓ Answer: A — biodiversity
Biodiversity is the range of species.
Q8 · Difficulty 1/3
Why does exercise increase breathing rate?
- To cool down
- Muscles need more oxygen for increased respiration and more CO₂ must be removed
- To reduce heart rate
- To absorb more food
Show answer & explanation
✓ Answer: B — Muscles need more oxygen for increased respiration and more CO₂ must be removed
During exercise, muscles respire faster, needing more O₂ and producing more CO₂. Faster, deeper breathing increases gas exchange to meet demand.
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WJEC GCSE Biology FAQ
What does the WJEC GCSE Biology exam look like?
The WJEC GCSE Biology exam is structured across 3 components. Paper 1: Approximately 1 hour 30 minutes, ~70-100 marks. Covers Topics 1-4 of the specification. Paper 2: Approximately 1 hour 30 minutes, ~70-100 marks. Covers Topics 5-8 of the specification. Paper 3: Where applicable — e.g. Combined Science, Languages. Includes synoptic and applied questions. Total exam time: ~3 hours across two or three papers.
Can I download a free WJEC GCSE Biology past paper?
Real WJEC past papers are published directly by WJEC on their official website. Kramizo doesn't redistribute copyrighted past papers, but we do generate free AI-written practice papers in the exact same style — same command words, same difficulty tier, same mark conventions. Use this practice paper as warm-up, then time yourself on official past papers before exam day.
How is WJEC GCSE Biology graded?
Grades: 9 (highest) to 1 (lowest), with U (ungraded). A grade of 4 is a standard pass; 5 is a strong pass. Kramizo's practice questions are tagged with difficulty 1-3 mapping roughly to the lower, middle, and top grade boundaries you'll encounter in the real exam.