Test Osmosis

Question 1

What is osmosis

Answer 1

Osmosis is the movement of water molecules across a partially permeable membrane from a region of higher water concentration to a region of lower concentration

Question 2

What is a partially permeable membrane

Answer 2

It is just one with very small holes in it

Question 3

Is osmosis a type of diffusion

Answer 3

Yes a. Passive movement of water molecules from high water concentration to low water concentration

Question 4

What is the process

Answer 4

Place several chunks of potato and weigh them then put each one in a different concentration of sugar solution and leave for around 24 hours
Then dry them weigh them then plot a graph

Question 5

What are the difference variables for this practical

Answer 5

A independent variable concentration of solution

The dependent variable , the percentage change in mass of potato chip

Question 6

Where does osmosis occur in plants

Answer 6

Root hair cells

Question 7

Where does osmosis occur in animals

Answer 7

In and out of cells in the body eg kidneys and large intestine