Cells & Organisms
T
Transport & Enzymes (GCSE)
GCSE-style stretch. Expect multi-step reasoning and exam vocabulary.
Combined Science · Hard
5
questions · ~4 min · 3 hints each (−5 pts)
Confidence tracking, 3-tier hints and instant feedback.
What you'll learn
Each question helps you build key knowledge and skills.
- 1Osmosis: water moves from dilute to concentrated across a partially permeable membrane.
- 2Active transport moves against the gradient - needs energy.
- 3Enzymes are biological catalysts; each has an optimum pH and temperature.
- 4Denaturation changes the active site so substrate no longer fits.
Question mix
A mix of question types to build your skills.
- Multiple choice×3
- True / False×1
- Short answer×1
Different question types help you think in different ways.
How it works
A simple 3-step process
- 1
Rate your confidence
Tell us how sure you feel before answering. It helps us understand your starting point.
- 2
Use hints if stuck
Get up to 3 helpful hints per question. Each hint costs 5 Treasure Points.
- 3
See what went wrong
Get instant feedback with clear explanations, so you can learn and improve.
Ready when you are
This takes about 4 minutes.

