Transpiration is the Loss of Water from the Plant

Question 1

What is transpiration caused by?

Answer 1

The evaporation and diffusion of water from a plants surface

Question 2

Where does most transpiration happen?

Answer 2

At the leaves

Question 3

What does this evaporation cause?

Answer 3

A slight shortage of water in the leaf

Question 4

What needs to happen because of this evaporation?

Answer 4

More water is drawn up form the rest of the plant through the xylem vessels to replace it

Question 5

More water is drawn up from the roots so….

Answer 5

There’s a constant transpiration stream of water through the plant

Question 6

What is transpiration in terms of photosynthesis?

Answer 6

Just a side-effect of the way leaves are adapted for photosynthesis

Question 7

Why do they have to have stomata in them?

Answer 7

So that gases can be exchanged easily

Question 8

Why does water escape from the leaves through the stomata by diffusion?

Answer 8

There’s more water inside the plant than in the air outside