CAIE IGCSE Biology 3.1.1 Diffusion Questions
Practise describing diffusion and identifying when particles move down a concentration gradient.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- describe diffusion as net particle movement down a concentration gradient, caused by random movement
CAIE IGCSE Biology 3.1.1 Diffusion Questions question 1
[Maximum number: 1]
Diffusion may be defined as the net movement of particles from a region of their ...... 1…… concentration, to a region of their ...... 2…... contration where movement is 3..... a concentration gradient.
Which words complete gaps 1,2 and 3 ?
1
2
3
higher
lower
down
higher
lower
up
lower
higher
down
lower
higher
up
A
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