Q1 · Difficulty 1/3
DNA has the shape of a:
- single strand
- flat sheet
- sphere
- double helix
Show answer & explanation
✓ Answer: D — double helix
DNA is a double helix.
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 green pigment that absorbs light is:
- haemoglobin
- keratin
- melanin
- chlorophyll
Show answer & explanation
✓ Answer: D — chlorophyll
Chlorophyll absorbs light energy.
Q3 · 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.
Q4 · Difficulty 2/3
Photosynthesis mainly occurs in which organelle?
- nucleus
- ribosome
- chloroplast
- mitochondrion
Show answer & explanation
✓ Answer: C — chloroplast
Chloroplasts carry out photosynthesis.
Q5 · Difficulty 2/3
The enzyme that digests starch is:
- amylase
- protease
- lipase
- catalase
Show answer & explanation
✓ Answer: A — amylase
Amylase breaks down starch to sugars.
Q6 · Difficulty 2/3
The net movement of particles from high to low concentration is:
- diffusion
- active transport
- mitosis
- osmosis of solutes
Show answer & explanation
✓ Answer: A — diffusion
Diffusion moves particles down a gradient.
Q7 · Difficulty 2/3
The word equation for photosynthesis is:
- carbon dioxide + water → glucose + oxygen
- glucose + oxygen → carbon dioxide + water
- glucose → lactic acid
- oxygen + water → glucose
Show answer & explanation
✓ Answer: A — carbon dioxide + water → glucose + oxygen
Light drives CO₂ and water into glucose and oxygen.
Q8 · 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.
Build a 30-question timed mock →
Free · No signup · Instant marking
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.