GCSE Biology Revision & Practice Questions
Exam-style GCSE Biology practice questions with full teaching explanations — revise anywhere, free on iOS and Android.
3,800 practice questions
16 topics
Full teaching explanations
Works offline
Topics covered
Foundation
- Cell Biology — 200 questions
- Organisation — 200 questions
- Homeostasis & Response — 200 questions
- Infection & Response — 200 questions
- Bioenergetics — 200 questions
- Inheritance, Variation & Evolution — 200 questions
- Ecology — 200 questions
- Mixed Exam — 500 questions
Higher
- Cell Biology — 200 questions
- Organisation — 200 questions
- Infection & Response — 200 questions
- Bioenergetics — 200 questions
- Homeostasis & Response — 200 questions
- Inheritance, Variation & Evolution — 200 questions
- Ecology — 200 questions
- Mixed Exam — 500 questions
Try 10 free sample questions
These are real questions from the app — the correct answer is highlighted, and every question in the app comes with a full teaching explanation like the one shown.
Cell Biology
Which type of cell does NOT have a nucleus?
- An animal cell
- A bacterial cell
- A plant cell
- A sperm cell
Show explanation
Correct answer: A bacterial cell
Organisation
Villi in the small intestine are adapted for absorption because they:
- Store bile
- Produce acid
- Increase the surface area
- Pump blood
Show explanation
Correct answer: Increase the surface area
Homeostasis & Response
The pathway a reflex travels along is called a:
- Reflex arc
- Synapse
- Hormone
- Gland
Show explanation
Correct answer: Reflex arc
Infection & Response
Which is the body's first line of defence, acting as a physical barrier?
- White blood cells
- The skin
- Antibodies
- Vaccines
Show explanation
Correct answer: The skin
Bioenergetics
Aerobic respiration needs which gas?
- Hydrogen
- Carbon dioxide
- Nitrogen
- Oxygen
Show explanation
Correct answer: Oxygen
Inheritance, Variation & Evolution
Which is an example of variation caused mainly by the environment?
- Natural eye colour
- A scar from an accident
- Blood group
- Natural hair colour
Show explanation
Correct answer: A scar from an accident
Ecology
A high biodiversity in an ecosystem usually makes it:
- More stable
- Less able to survive
- Unable to change
- Completely lifeless
Show explanation
Correct answer: More stable
Mixed Exam
A mutation that produces a helpful new feature may:
- Always be lost immediately
- Be passed on and spread through natural selection
- Stop the organism reproducing
- Turn the organism into a plant
Show explanation
Correct answer: Be passed on and spread through natural selection
Cell Biology
In a palisade leaf cell, the large number of chloroplasts allows it to:
- Carry oxygen
- Absorb lots of light for photosynthesis
- Divide by meiosis
- Store urine
Show explanation
Correct answer: Absorb lots of light for photosynthesis
Organisation
Pancreatic juice contains amylase, protease and:
- Lipase
- Bile
- Haemoglobin
- Insulin only
Show explanation
Correct answer: Lipase
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