Diffusion

Question 1

Define Diffusion

Answer 1

The net movement of particles from a region of high concentration to a region of low concentration

Question 2

Define Osmosis

Answer 2

The net movement of water molecules from an area of high water potential to an area of low water potential across a partially permeable membrane

Question 3

Define Active Transport

Answer 3

The movement of particles against a concentration gradient, using energy from respiration.

Question 4

Give an example where diffusion is used

Answer 4

Carbon dioxide entering the leaf through the Stomata for Photosynthesis

Question 5

Give an example where Osmosis is used

Answer 5

Root hair cells taking water from the soil

Question 6

Give an example where Active transport is used

Answer 6

Root hair cells taking up mineral ions from the soil for the plant.