Diffusion 2

Question 1

In a plant leaf, why does carbon dioxide enter it?

Answer 1

As there’s more carbon dioxide outside the leaf than inside

Question 2

Name the tiny holes in a leaf that allows CO2 to move in and out

Answer 2

Stomata

Question 3

Why does oxygen move out of the plant cell during photosynthesis?

Answer 3

It is a waste product and it diffuses out when there is less of it

Question 4

Does diffusion require energy from the cell?

Answer 4

No as it is passive