Define diffusion.

Important Questions on Movement in and Out of Cells

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.1

Define diffusion.

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.2

List three examples of diffusion in living organisms.

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.3

What effect does an increase in temperature have on the kinetic energy of molecules of a gas or a solute?

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.3

Predict and explain how an increase in temperature will affect the rate of diffusion of a solute?

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.4

Which is larger- a water molecule or a sugar molecule?

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.5

What is meant by a partially permeable membrane?

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.6

Give two examples of partially permeable membrane.

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 3 - Movement in and Out of Cells>Questions>Q 3.7

How would you describe a solution that has a high concentration of water molecules?