Stomata and Transpiration

Question 1

Describe a Stomata?

Answer 1

They are tiny pores mainly found on the underside of leaves.
They are surrounded by two guard cells which open and close the pores.
Stomata opens during the day for photosynthesis.
Stomata close at night to reduce water loss.

Question 2

What is a Transpiration Stream?

Answer 2

Transpiration is the process of water moving through a plant and its evaporation through a Stomata.
It can be measured using a potometer.