Transpiration

Question 1

Which of the following factors do NOT affect rate of transpiration?

Accepted Answer

CO2 concentration

Question 2

Transpiration is defined as the...

Accepted Answer

Loss of water vapour from the stomata of leaves to the environment

Question 3

On a very humid day, the rate of transpiration is...

Accepted Answer

Lower

Question 4

Explain why transpiration occurs.

Accepted Answer

Water evaporates through the stomata in the leaves

Question 5

How will increased temperature affect the rate of transpiration?

Accepted Answer

Increase

Question 6

"On windy days, the rate of transpiration is lower."

Accepted Answer

False

Question 7

After water vapour has diffused out of the leaf, what happens next?

Accepted Answer

Water potential in the spongy mesophyll cells decreases, Water potential in the spongy mesophyll increases

Question 8

State the name of the structure in which water vapour diffuses out of a leaf.

Accepted Answer

Stomata

Question 9

State the driving force that pulls water through the xylem.

Accepted Answer

Transpiration

Question 10

State the name of the structure in which water molecules evaporates from a leaf.

Accepted Answer

Spongy mesophyll cells

Questions 10